1、c -54-/0 MIL-S-294336 54 W 777770b 0236280 T W MIL-S-29413B (MC) 2 O January 19 88 SUPERSEDING MIL-S-29413A (MC) 6 February 1984 MILITARY SPECIFICATION SHELTER, JOINING CORRIDOR FOR This specification is approved for use by the United States Marine Corps, Department of the Navy, and is available for
2、 use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification establishes the requirements for the manufacture and acceptance of the Joining Corridor used with the Marine Corps Expeditionary Shelter System. 2. APPLICABLE DOCUMENTS 2.1, Government documents
3、 2 1.1 Specifications, standards and handboo-s. The follow specifications, standards, and handbooks form a part of this -ng specification to the extent specified herein. specified, the issues of these documents shall be those listed in Unless otherwise .- -. the issue of the Department of Defense In
4、dex of Specifications and Standards (DODISS) and supplement thereto, cited in the solicita- tion. Beneficial comments (recommendations , additions , de le tions) and any pertinent data which may be of use in improving this document should be addressed to: Commandant of the Marine Corps, Code LMA-1,
5、Washington D.C. 20380 by using the self-addressed Standardi- zation Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter hSC N/A FSC 5411 DISTRIBUTION STATEMENT A. Approved For Public Release; Distribution is unlimited. THIS DOCUMENT CONTAINS 16 PAGES. Prov
6、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-29413B (MC) SPECIFICATIONS MILITARY MIL-(2-55 41 MIL-1-2104 O MIL-S-2 940 9 MIL-S-29 41 O MIL-S-29411 STANDARDS MILITARY MIL-STD-12 9 MIL-STD-130 MIL-STD-40 1 MIL-STD-81 O MIL-STD-831 MIL-STD-907 MIL-
7、STD- 11 8 6 Chemical Conversion Coating on Aluminum Alloys Honeycomb Materials, Water Migration Resistant Type, Structural Paper Base Shelter Assembly, Knockdown Shelter Assembly, Rigid Shelter Assembly, 10-ft and 20-ft EM1 Marking for Shipment and Storage Identification Marking of U.S. Military Pro
8、perty Sandwich Construction and Core Materials, Test Methods Genera1 e Environmental .Test Methods and Engineering Guidlines Test Reports, Preparation of Engineering and Design Criteria for Shelters, Expandable and Nonexpandable Cushioning, Anchoring, Bracing, Blocking and Waterproofing, with Approp
9、riate Test Methods 2.1.2 Other Government documents, drawings and publications. The following other Government documents, drawings and publications Eorm a part of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the sol
10、icitation. PUBLICATIONS MCO P4790.1 MIMMS Introduction Manual .- DRAWINGS MARINE CORPS DL8OA50 22A0004 Corridor.Assembly, Joining 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ - - MIL-S-27433B 54 m 7777706 0236282 3 m . MIL-S-29413B (MC) (Copie
11、s of specifications, standards, handbooks, drawings and publications required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2.2 Other publications. The following document(s) form a part
12、of this specification to the extent specified herein. Unless otherwise specified, the issues of th documents which are DOD adopted shall be those listed in the issue of the DODISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS shall be the
13、 issue of the non- government documents which is current on the date of the solicita- tion. . INTERNATIONAL STANDARD IS0 668 Dimensions and Ratings (Application for copies should be addressed to International Organization for Standardization, P.0, Box 56-, 1211 Geneva 20, Switzerland. ) . AMERICAN S
14、OCIETY FOR TESTING AND MATERIALS. ASTM E-864-82 Surface Preparation of Aluminum Alloys to be Adhesively Bonded in.Honeycomb Sandwich Panels Panels ASTM E-865-82 Structural Film Adhesives for Honeycomb Sandwich ASTM E-866-82 Corrosion-Inhibiting Adhesive Primer for Aluminum Alloys to be Adhesively Bo
15、nded in Honeycomb Sandwich Panels ASTM E-874-82 Adhesive Bonding of Aluminum Facings to Nonmetallic Honeycomb Core for Shelter Panels (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pennsylvania 19103.) (Nongovernment sta
16、ndards anci other publications are normally avail- able from the organization which prepare or which distribute the documents. These documents also may be available in or through libraries or other informational -services). 2.3 Order of precedence. In the event of a conflict between the text of this
17、 specification and the references cited herein, (except for associated detail specifications, specification sheets or MS standards), the text of this specification shall take pre- cedence. Nothing in this specification, however, shall supercede. - Provided by IHSNot for ResaleNo reproduction or netw
18、orking permitted without license from IHS-,-,-. I MIL-S-29413B (MC) applicable laws and requlations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article . 3.1.1 Sandwich panel, larqe. One 4-ft (1.219-m) by 8-ft (2.438-m)* aluminum face honeycomb sandwich panel- fabricated
19、 in accordance with the requirements specified in 3.3.1 and Drawinq No. 80A5022A0071 shall be subjected to the panel shear test in 4.8.1 and shall be subsequently cut into smaller specimens for other panel testinq (see 4.8.2 and 4.8.5). 3,1,2 Assemblies. When specified in the contract or purchase or
20、der, the joininq corridor shall be subjected to first article inspection (see 4.4 and 6.3). 3.2 Materials. Materials shall conform to the requirements specified herein and in Data List DL80A5022A0004. 3,3 Desiqn and construction 3.3.1 Sandwich panels, -Sandwich panels shall be fabricated and inspect
21、ed in accordance with the appropriate materials and process specifications listed in Data List DL80A5022A0004 and as follows : 3.3.1.1 Sandwich panels and material. The followinq material requirements are the minimum necessary to insure the joininq corridor fully meets all requirements stated herein
22、. 3.3.1.1.1 Sandwich panel shear strenqth. The adhesive bond between the panel facinqs and core shall be sufficient to allow the core to work to its failinq shear stress. sandwich panel shear strenqtlj at normal temperature (75 f 5OF) shall be 80 psi (551,584 N/m ) in the T direction parallel to the
23、 core ribbons. sample of all exterior shelter panel(s) shall withstand a blow from a 70-pound (lb) (31.8-kiloqram (kq) steel cylinder (3 in (76.2 millimeter (mm) in diameter with a hemispherical end) I dropped from a heiqht of 30 in (0.762 m) (16 in (0.406m) for 2.5# density honeycomb), impacting th
24、e hemispherical end without rupture to either skin and no delamination between skins and core outslde a 3-in (76.2-mm) radius from the center of impact. Localized crushing of the core is allowable. Testing shall be in accordance with 4.8.2. The composite Testing shall be in hcordance with 4.8.1. 3.3
25、,1.1,2 1mpact.resistance. A 24-inch (in) (0.610-m) square c 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3.1.2 Surface preparation of aluminum alloys to be adhesively bonded in honeycomb shelter panels. Preparation of clean uniform surfaces of
26、 aluminum alloys suitable for formation of durable adhesive bonds to nonmetallic honeycomb materials in the manu- facture of sandwich panels for the joininq corridor shall be in compliance with ASTM E-864-82. comply with MIL-H-21040. Honeycomb core material must 3.3.1.3 Structural film adhesives for
27、 honeycomb sandwich panels. Film adhesives used for bondinq of honeycomb sandwich panels used in the shelter assembly shall be in accordance with ASTM E-865-82 and shall be suitable for forminq bods which can withstand-lonq exposures to temperatures from -70F (-56.7 Celsius (C) to +160F (+71.loC) an
28、d also withstand the combinations of stress, temperature, and relative humidity expected to be encountered in service. The adhesives shall be used for bondinq aluminum alloy facinqs -to non- metallic core, inserts, edqe attachments and other components of a sandwich panel. depot repair. Honeycomb co
29、re materials will meet requirements of MIL-H-21040. The adhesive shall meet the requirements of the test specified in 4.8.10. The adhesives may be used for new production or 3.3.1.4 Corrosion-inhibitinq adhesive primer for aluminum alloys to be adhesively bonded in honeycomb shelter panels. Primer s
30、hall be a sprayable, pigmented liquid primer for use on aluminum alloys which are to be adhesively bonded.in the fabrication of honeycomb sandwich panels for the shelter assembly. When applied to a properly cleaned surface of aluminum alloy, the primer will impart corrosion resistance and form a sur
31、face suitable for structural bondinq usinq adhesives complyinq with ASTM E-865-82 and for coatinq with shelter paint finishes. primer shall comply with standards contained in ASTM E-866-82. surfaces to be bonded will comply with this standard or meet performance standards usinq alternative chemical
32、treatment processes to be specifically approved by the contractinq aqency. Corrosive-inhibitinq adhesive All 3.3.1.5 Adhesive bondinq of aluminum facinqs to nonmetallic honeycomb core for shelter panels. Materials, processes and quality controls to be used in the manufacture of adhesive-bond, alumin
33、um- faced, nonmetallic, honeycomb-core sandwich panels for the joininq corridor shall comply with ytandards -. contained in ASTM E-874-82. ?- - for hmey- dwich sh-zecpanels. 1: forminq bonds which can withstand of stress, temperature, and relative humidity xpected to be encountered in service. The a
34、dhesive shall be used for bondinq core seqments, bondinq core seqments to edqe members, and inteqral members in a honeycomb sandwich panel. The adhesive shall not allow the transfer of water from one part of the panel to another either throuqh or alonq the line of the adhesive. 0 Provided by IHSNot
35、for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-29413B (MC) 3.32 Fasteninqs and joints. Welding, riveting Saints shall comply with the applicable standards and sealinq of nd drawings in Data List DL80A522A0004. 3.3,3 Panel flatness, Panel surfaces shall not be cu
36、pped or bowed in excess of 0,125 in (3.175 nun) when measured with a 48-in (1,219-m) lonq straiqhtedqe. Panels shall be tested in accordance w-ith 4,8,3. 3.3,4 Interchanqeability. Like demountable hardware and 3.3,5 Ease of operation. The demountable side panels shall components of the joininq corri
37、dor shall be interchanqeable, permit repetitive installation and removal without bindinq or other loss of serviceability, Doors shall operate smoothly, maintaining adequate sealinq at all times. shall be capable of multiple nssembly and disassembly operations without degradation of components. 3,3,6
38、 Fire resistance. The joining corridor shall be fire resistant and shall meet the test requirements of 4.8,5. The entire assembly a 3.3.7 Complexinq. The joininq corridor shall be capable of complexing two to four shelter assemblies by connection to each of the four sides of the corridor and the doo
39、r of the shelter. No additional material is.required to adequately seal the joininq corridor to the shelter assembly(ies). 3,3.8 Metal fabrication, Metal used in the fabrication of equipment shall be free from kinks and sharp bends. straightening of material shall be done by methods that will not ca
40、use injury to the metal, Shearinq and punching shall be done neatly and accurately, All bends of a major character shall be made with controlled means in order to insure uniformity of size and shape. The 3,3,9 Facinq material. Panel facings shall be one piece seamless aluminum alloy skins of a mater
41、ial and thickness speci- fied on the applicable-drawinqs. honeycomb panels shall be completely sealed to prevent water intrusion between the laminates. All edges of aluminum faced 3,3.10 Bolted and riveted connectors. Bolt and rivet holes shall be accurately punched or drilled, connectors shall have
42、 the burrs removed. Washers, lockwashers, nuts and screws shall be tight. Rivet heads, when not counter- sunk or flattened, shall be of uniform size and shape for the same diameter rivet, concentric with the rivet holes, and in full contact with the surface of the members. All bolts and rivet orlock
43、nuts shall be provided where necessary and all bolts, - *-_ c Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- . MIL-S-27413B 54 9779706 0216286 O H MIL-S-2 941 3B (MC) 3.3.11 Weldinq. The surface of the parts to be welded shall be free from rust, sc
44、ale, paint, qrease or other foreiqn matter. Weld penetration shall be such as to provide transference of maximum desiqn stress throuqh the base metal juncture. Fillets shall be as specified on the applicable drawinqs. 3.3.12 Castinqs. Castings shall be sound and free from patchinq, misplaced corinq,
45、 warpinq or defects which miqht render the castinqs unsound for use. 3.3.13 Seals. Seals shall be installed so that the fit within the retaininq track is snuq and continuous contact is maintained with matinq seal faces. Mitered end junctions of vertical and horizontal seal runs shall be accurate, an
46、d gaps shall be sealed as specified on the applicable drawings. that as much of the maintenance, as possible, may be performed as far forward (preferably by the usinq unit), as feasible, within the Marine Corps maintenance structure, in accordance with MCO P4790.1. 3.4 Maintainability. The joininq c
47、orridor has been desiqned so 3.5 Environmental requirements - 3.5.1 Rainfa-11. The joininq corridor when erected and with doors cosed and removable panels installed shall withstand rain- fall up to and includinq 5 in per hour (in/hr) (127 millimeters per hour (mm/hr) without leakaqe at any location.
48、 Testinq shall be in accordance with 4.8.7.1. 3.5.2 Temperature-humidity. In storaqe, the joininq corridor shall be capable of withstanding exposure to temperatures of -7OOF (-56.7OC) to 160F (71.1C). In transit, the joininq corridor shall be capable of withstandinq exposure to temperatures of -65OF
49、 (-53.9OC) to Tb60F (71.1OC) with personnel access at low end of ranqe. shall be -65OF (-53.9OC) to 125OF (51.7OC) plus solar load (see 3.5.8). The joininq corridor shall withstand daily exposure of up to 97 percent relative humidity for 20 hours and exposure of 100 percent relative humidity (with condensation) for. 4 hours. Testinq shall be in accordance with 4.8.7.2 and 4.8.7.3. sudden temperature chanqes from 160F (71.1OC) to -70
