1、I INCH-POUND I MIL-DTL-55507F(CR) 9 July 1997 SUPERSEDING MIL-S-55507E (CR) 10 JUNE 1991 DETAIL SPECIFICATION SHELTER, ELECTRICAL EQUIPMENT (WITH OR WITHOUT EQUIPMENT), PACKAGING OF This specification is approved for use by Communications-Electronic Command, Department of the Army, and is available
2、for use by all Departments and Agencies of the Department of Defense. 1. SCOPE. 1.1 Scope. This specification covers the performance requirements for packaging of the following Shelters, Electrical Equipment, with or without equipment, for shipment and in-transit storage: S-141( )/G S-144( )/G S-144
3、( )/G 3/4T S-144( )/G 1-1/4T S-250/G S-250( )/G S-250( )/G (M880) S-250E/G 1-1/4T (M561 and M715) S-250( )/G 1-1/4T (M561 and M715) S-250/G and S-250E/G 1-14 HMWWV S-280( )/G S-318( )/G S-318( )/G 3/4T and 1-1/4T (M561 or M715) 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this sectio
4、n are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are caut
5、ioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents 2.2.1 Specifications, standards, and handbooks The following specifications standards and handbooks form a part of this document to
6、 the extent specified herein. Unless otherwise specified, the issues of these Beneficial comments (recomendations, additions, deletions) and any perti- nent data which may be of use in improving this document should be addressed to U.S. Army Communications-Electronics Command, ATTN: AMSEL-LC-LEO-E-E
7、T-3, Fort Monmouth, New Jersey 07703-5023, by using the Standardization Document Impr Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A AREA - PACK DISTRIBUTION STATEMENT A Approved for public release; distribution is unlimited. Licensed by Information Handling Ser
8、vices - MIL-DTL-55507F m 9999906 2043537 437 m MIL-DTL-55507F(CR) documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.1). SPECIFICATIONS FEDERAL PPP-B-601 - Boxes, Wood, Clea
9、ted, Plywood PPP-B-621 - Boxes, Wood, Nailed and Lock-Corner PPP-P-4 o - Packaging and Packing of Hand Tools A-A- 1 O 51 - Paperboard, Wrapping and Cushioning A-A- 14 51 - Twine, Fibrous A-A-1 a 9 a - Cushioning Material, Cellulosic, Packaging DEPARTMENT OF DEFENSE MIL-C-3774 - Crates, Wood, Open (1
10、2,000 and 16,000 MIL-C-12000 - Cable, Cord and Wire, Electric, Packaging Of MIL-C-16173 - Corrosion Preventive Compound, Solvent Cutback, Cold Application MIL-C-27260 - Tie Down, Cargo, Aircraft, CGU-1/B MIL-C-52950 - Crates, Wood, Open and Covered Pound Capacity) STANDARDS DEPARTMENT OF DEFENSE MIL
11、-STD-129 - Marking for Shipment and Storage MIL-STD-2073-1 - Standard Practice for Military Packaging HANDBOOKS DEPARTMENT OF DEFENSE MIL-HDBK-129 - Military Marking (Unless otherwise indicated, copies of the above specifications, standards, and handbooks are available from the Standardization Docum
12、ent Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents, drawings, and publications The following other Government documents drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the
13、 issues are those cited in the solicitation. TECHNICAL BULLETIN TB 43-0124 - Maintenance and Repair Procedurbor Shelters, Electrical Equipment (Various (Copies of and Technical Bulletins required by contractors in connection with specific acquisition functions should be obtained from the contracting
14、 activity or as directed by the contracting activity.) 2 Licensed by Information Handling ServicesMIL-DTL- 5 5 5 O 7F ( CR) 2.2 Non-Government publications The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents whi
15、ch are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.1). AMERICAN SOCIETY FOR QUALIW CONTROL (ASQC) ASQC-Z1 .4 - Sampling
16、 Procedures and Tables for Inspection by Attributes (DoD Adopted 1 (Application for copies should be addressed to the American Society for Quality Control, P.O. Box 3005, 611 E. Wisconsin Avenue, Milwaukee, WI 53201- 4606. ) AMERICAN SOCIETY FOR TESING AND MATERIALS (ASTM) ASTM D 1974 - Standard Pra
17、ctice for Methods of Closing, Sealing, and Reinforcing Fiberboard Boxes (DOD Adopted) ASTM D 3951-95 - Standard Practice for Comercial Packaging (DOD Adopted) ASTM D 3953 - Standard Specification for Strapping, Flat Steel and Seals (DOD Adopted) AS“M D 4169 Performance Testing of Shipping Containers
18、 an Systems ASTM D 4675 - Standard Guide for Selection and Use of ASTM D 4727 - Standard Specification for Corrugated and Flat Strapping Materials (M3D Adopted) Solid Fiberboard Sheet Stock (Container Grade) and Cut Shapes (DOD Adopted) Fiberboard Shipping Boxes (DOD Adopted) Closure of Triple-Wall
19、Corrugated Fiberboard Containers (DOD Adopted) ASTM D 5486 - Standard Specification for Pressure- Sensitive Tape for Packaging, Box Closure, ASTM D 5118 - Standard Practice for Fabrication of ASTM D 5168 - Standard Practice for Fabrication and and Sealing (Application for copies should be addressed
20、to the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) NATIONAL AEROSPACE STANDARDS NAS 3417 - Packaging of Electrical Cable-Cord-Wire (WD Adopted) NAS 3426 - Electrical Harness-Cable Assemblies, Packaging Of (DOD Adopted) 3 Licensed by Informati
21、on Handling Services NIL-DTL-55507F 9999906 2043519 2T MIL -DTL- 5 5 5 07 F (CR) (Application for Copies should be addressed to the Aerospace Industries Association of America (AIA/NAS), 1250 Eye Street, N W, Suite 1100, Washington, DC 20005. ) 2.3 Order of precedence In the event of a conflict betw
22、een the text of this specification and the references cited herein, the text of this specification shall take precedence. 3. REQUIREMENTS 3.1 Preservation Preservation shall be level A or B, as specified (see 6.1). 3.1.1 Level A, 3.1.1.1 Cleaninq. Shelter and equipment shall be cleaned by any proces
23、s Shelter and equipment shall be dried by any process which which will not damage the equipment. 3.1.1.2 Drying. 3.1.1.3 Preservative application Preservative application shall be as will not damage the equipment. specified in 3.2.1.1.2. 3.1.1.4 Unit Packing 3.1.1.4.1 Technical literature Technical
24、literature shall be unit packed by Each shelter and equipment shall be unit packed in accordance with the methods and sub methods prescribed herein. placing it within a sealed waterproof bag. 3.1.1.4.2 Electronic and electrical equipment and associated parts Unit pack each in accordance with ASTM D
25、3951-95. 3.1.1.4.3 Cable and cord assemblies Unit pack each in accordance with NAS 3417 or NAS 3426. 3.1.1.4.4 Cable, cord, and wire Unit pack each in accordance with NAC 3417 OR MIL-C-12000. 3.1.1.4.5 Hand tools. Unit pack in accordance with the requirements of ASTM D 3951-95 or PPP-P-40. 3.1.1.4.6
26、 Shelter. Each shelter, with or without contents, shall be provided Prior to stowage of items with physical and mechanical protection prior to storage. and equipment in the shelter, dust caps shall be used to cover cable connectors. Close and secure all windows, blackout blinds, shields over louver
27、vents, blower exhaust vents and heating intake and door. Position and secure the fire extinguishers. Close and secure mail slot covers. 3.1.1.4.6.1 Set, sling and installation hold-down assemblies Unit pack each set in a close-fitting fiberboard box conforming to ASTM D 5118/ D 5118M, class domestic
28、. Fill void space with cushioning conforming to A-A-1898, Grade II. Close the box in accordance with ASTM D 1974 and stow in shelter. Shelter, a 5/16 in. standard thread eye“ bolt In the S-280()/G 4 Licensed by Information Handling ServicesMIL-DTL-55507F 999990b 2043520 TO1 MIL -DTL- 5 5 5 07 F ( CR
29、) shall be mounted in the threaded insert provided in the floor inside the door of the shelter. conforming to A-A-1451, or equivalent, in a manner that will prevent movement within the shelter. The packed set shall be secured to the “eye“ bolt with 24-ply twine 3.1.1.4.6.2 External components When e
30、xternal components are secured to the outside of the shelter, such as air conditioning units, blocking and bracing as applicable shall be applied to provide adequate protection against damage. 3.1.1.4.7 Stowage within shelter 3.1.1.4.7.1 Major components Secure all fastenings, shock mounts, bolts, n
31、uts, screws, and straps of all major and auxiliary units mounted on the floor, shelves or walls of the shelter. Place and secure all covers over equipment. 3.1.1.4.7.2 Other items Stow items within designated compartments of cabinets 3.1.1.4.7.3 Overflow items After cabinets and drawers have been fi
32、lled, the remaining it- shall be stowed in boxes as follows: Group like items, bearing the same stock numbers, together and place them into an ASTM D 5118/D 5118M, class domestic, fiberboard box. Close the box in accordance with ASTM D 1974. Depending upon available floor space to be utilized, overp
33、ack overflow items in fiberboard boxes conforming to ASTM D 5168, style E, class weather-resistant. Block and brace the contents of the box with fiberboard cells and pads conforming to ASTM D 4727/D 4727M to prevent movement during transit. and drawers to the maximum capacity. Close the box in accor
34、dance with ASTM D 1974. 3.1.1.4.7.4 Shelter interior blocking Shock mounted equipment shall float free without blocking and bracing. secure, and immobilize the stowed load. Design and construct a blocking and bracing assembly, when built-in tie-downs are not available, to support and prevent the loa
35、d from shifting. Fabricate the assembly of triple-wall, corrugated, weather-resistant fiberboard or a wood assembly conforming to ASTM D 4727/D 47271. Wood blocks may be used, as required, to supplement the fiberboard fabrication. Cushion wood blocks contacting equipment with A-A-1051, type II, pape
36、rboard. Utilize the integral tie-downs to block, brace, 3.1.1.4.8 Stowage outside shelter 3.1.1.4.8.1 Remaining items Remaining items, not capable of being stowed within the shelter, shall be placed into wood boxes conforming to PPP-B-621, class 2, style 4; or PPP-B-601, overseas type. Block to prev
37、ent movement. Close the box in accordance with the appendix of the box specification. 3.1.1.4.8.2 Padlock and keys Shelters for delivery shall be padlocked. Padlock keys shall be concealed by attaching to the underside of the door cover with tape conforming to ASTM D 5486/D 5486M. The shipping docum
38、ent shall be so annotated. Attach the technical literature, unit packed as specified in 3.1.1.4.1, in a conspicuous position easily accessible on opening of shelter door. the door with padlock. Close and secure 5 Licensed by Information Handling Services MIL-DTL-5550F = 9999906 2043523 948 = . . 3.1
39、.2 Level B. 3.1.2.1 Cleaning, dry ing, preservative application and unit packingEach shelter and equipment shall be cleaned, dried, preserved, and unit packed as specified in 3.1.1. 3.2 Packing. 3.2.1 Level R 3.2.1.1 Crate. in a crate conforming skid base. The crate Each shelter, rubbing strips to M
40、IL-C-3774, unit packed as specified in 3.1, shall be packed (modified) type II, bolted, fully demountable, shall be made of nominal 4 in. thick lumber and shall be approximately the same width as the skids. When crates exceed 100 feet in length, the rubbing strip located at the center of gravity sha
41、ll be increased to 34 inches (17 inches on each side of center) and the fork-lift openings on each side of the 34 inch center strip shall be 23 inches and 12 inches respectively (see figures 1, 2, 3, and 4). As an alternate, shelter systems based on the S-250()/6 configuration may be packed in a cre
42、ate conforming to MIL-C.-52950 (modified), type V, style A, demountable. Load bearing floorboards shall be made of 2 by 4 inch (nominal) lumber. 3.2.1.1.1 Buttress blocking and bracing of shelter in crate Wood blocks, 4 by 4 inch stock or two pieces, 2 by 4 inch stock, shall be securely fastened to
43、the skid base with nails. Th wood blocks (figures 3 and 4, item 2) chail be notched when required, to accommodate the towing eyes, bolts, rivet heads, etc., on the shelter to allow a full length bearing surface. 3.2.1.1.2 Skids and hold-downs Crate skids shall be equipped with 3/8 inch diameter forg
44、ed steel “U“ bolts, 1/2 inch diameter forged steel “eye bolts, or 1/2 inch diameter forged steel “nut eyes“ and 1/2 inch diameter carriage bolts, treated to resist corrosion. Position the bolts on the skid to effect a 45 degree angle with the lifting eyes located at the top corners of the shelter. T
45、he bolts shall be of sufficient length to extend through the crate skids and accommodate washers and check nuts or nut eyes and nuts. After the bolt check nuts have been pulled tight, the bolt threads shall be upset and coated with a preservative conforming to MIL-C-16173, grade 1, to prevent loosen
46、ing and corrosion. All check nuts, bolts, and carriage bolt heads on the underside of the skid shall be countersunk flush to prevent friction or drag. as illustrated (see figure 9). Attach the fixed hook assembly to the lifting eyes located at the top corners of the shelter and secure the opposite e
47、nd (45 degree angle) adjustable hook assembly to the hold-downs on the skid base. semi-taut by first using the adjusting mechanism for strap length and then the tensioning mechanism using the procedure specified in MfL-T-27260. operation is completed, wrap the excess strapping around the ratchet/ten
48、sioning mechanism and secure with tape conforming to ASTM D 5486/D 5486M. 3.2.1.1.3 Tie-downs. Attach CGU-1/B cargo tie-downs conforming to MIL-T-27260 The straps shall be made When tensioning 3.2.1.1.4 Blocking and bracing of shelter on flat car Blocking, bracing and securing of shelters shall be a
49、s illustrated (see figures 5 and 6). When 4 inch thick wood is specified, two pieces, 2 by 4 inch stock may be siibstituted to facilitate nailing. 6 Licensed by Information Handling Services MIL-DTL-55507F 9999906 2043522 884 W . 3.2.1.1.5 Wood boxes containing overflow items Containers, as specified in 3.1.1.4.8.1, shall be secured with flat steel strapping conforming to ACTM D 3953, type 1 or 2, finish coating (zinc). Apply strapping in accordance with Asm D 4675. The wood box shall be blocked, braced and secured on the flat car in a manner to prevent movement in transit.
