1、MIL-T-4LI243A 3 W 977770b 04b2003 W 23 November 1990 SUPERSEDING MIL-T-44243 30 September 1986 MILITARY SPECIFICATION TENT SECTIONS, TENT, EXTENDABLE, MODULAR, PERSONNEL (TEMPER) This specification is approved for use by all Departments and Agencies of i - the Department of Defense. 4. 1. SCOPE 1.1
2、Scope. This specification covers the tent sections of an extendable, modular, personnel, frame supported tent. * 1.2 Classification. Tent sections, liners, floors, vestibule, vestibule door, vestibule container- and tent cover shall be classified as follows (see 6.2) : Items 1. - 2. - 3. - 4. - 5. -
3、 6. - 7. - 8. - 9. - 10. - End section Window section (temperate) Door sect ion ( desert /tropical) Window section (desert/tropical) Door section (temperate) Tent fly (16 feet) Tent fly (8 feet) End section liner (temperate) End section liner (desert/tropical) Intermediate liner (temperate) pertinen
4、t data which may be used in improving this document should be addressed to: U.S. Army Natick Research, Development, and Engineering Center, Natick, MA 01760-5014 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by Petter. AMSC N/A FSC
5、 8340 DISTRIBUTION STATEMENT A. Approved for publie release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Items 11. - 12, - 13. - 14. - 15. - 16, - 17. - IO. - 19. - 20. - 21. - 22. - 23. - 24. - 25. - 26. - Intermediate
6、 liner (desert/tropical) Tent floor (single ply) 8 feet, 24 feet and 40 feet Tent floor (insulated) Vestibule w/door Vestibule floor (single ply) Vestibule floor (insulated) Part it ion Tent cover Vestibule container Tent pin container Modesty curtain Plenum, end wall, 16 feet Plenum, extendable, 16
7、 feet Sliding blackout curtain Plenum, side entrance, 16 feet Vestibule door cap * 4 2. APPLICABLE DOCUMENTS 2.1 Government documents. * 2*1*1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein.
8、 Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL A-A-50083 - Bag, Plastic, Folded Garment TT-P-595 -
9、 Preservative Coating, Canvas ( General Use) DDD-L-20 - Label: For Clothing, Equipage, and Tentage, PPP-B-601 - Boxes, Wood, Cleated-Plywood PPP-B-636 - Boxes, Shipping, Fiberboard PPP-B-640 - Box, Fiberboard, Corrugated, Triple-Wall STANDARDS FED ERAL FED-STD-191 - Textile Test Methods FED-STD-751
10、- Stitches, Seams and Stitchings 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-44243A 3 999990b 04b2005 1 MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection MIL-STD-129 - Marking for Shipment and Storage MIL-STD-147 - Pall
11、etized Unit Loads MIL-STD-731 by Attributes - Quality of Wood .Members for Containers and Pallets (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philade
12、lphia, PA 191 1 1-5094. - * 2.1.2 Other Government documents, drawings, and publications. The following 4 other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues 5 are those cited in the solicitation.
13、DEPARTMENT OF THE ARMY FIELD MANUAL FM 10-16 - General Repair of Tents, Canvas and Webbing (Copies of documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) DRAWINGS U.S. ARMY N
14、ATICK RESEARCH, DEVELOPMENT, AND ENGINEERING CENTER 5-4-3342 5 -4 -334 9 5-4-3350 5-4-335 1 5-4-3352 5-4-3353 5-4-3354 5-4-3355 5-4-3356 5-4-3357 5-4-3358 5-4-3359 5-4-3360 5-4-336 1 5-4-3362 5-4-3363 5 -4 -33 64 5-4-3365 5-4-3366 - Hitch Pin Clip and Holder - Tent Sections, Tent, Extendable, Modula
15、r, Personnel ( Temper) - End Section - Door Section (Desert/Tropical) - Window Section (Desert/Tropical) - Tent Flies - Screen Door - Vent Flap - Window Flap - Beckets - Erection Instructions - Tent Cover - Weather Seal Flaps - Purlin Flaps - Door Section (Temperate) - Window Section (Temperate) - E
16、nd Section Liner (Temperate) - End Section Liner (Desert/Tropical) - Intermediate Liner (Temperate) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-4q243A 3 H 999990b 04b200b 3 H 5-4-3367 5-4-3369 5-4-3370 5-4-3371 5-4-3372 5-4-3373 5-4-3374
17、5-4-3375 5-4-3376 5-4-3377 5-4-3378 5-4-3379 5-4-3380 5-4-3381 5-4-3382 5-4-3383 5-4-3384 5-4-3386 5-4-3387 5-4-3388 5-4-3389 5-4-3390 5-4-3391 5-4-3368 5-4-36 13 5-4-36 14 5-4-36 16 5-4-3618 5-4-3615 5-4-3617 5-4-36 19 5-4 -3 620 5-4-3621 5-4-3981 5 -4-3982 5-4-3983 5 -4 -3985 5-4-3984 MIL-T-44243A
18、 - Intermediate Liner (Desert/Tropical) - Tent Floor (Single Ply) - Tent Floor (Insulated) - Vestibule - Vestibule Door - Vestibule Floor (Single Ply) - Vestibule Floor (Insulated) - Vestibule/Pin Container - Adapter - Adapter - Vent Flap - Window and Flap - Sleeve - Door/Window - Stove Pipe Flap -
19、End Liner - Door/Window Section Liner (Temperate) - Door - Stovepipe Shield Flap - Door/Window Section Liner (Desert/Tropical) - Vent Flap - Flap - Suspension Strap - Partition - Modesty Curtain - Plenum, End Wall - Body, End Wall - Cover, Plenum - Extension 12 Inch Dia, End Wall - Plenum, Extendabl
20、e, 16 Feet - Body, Extendable - Plenum, Side Entrance, 16 Feet - Sliding Blackout Curtain - Body, Side Entrance - Exterior, 12 Inch Dia, Side Entrance - Vestibule Door Cap - Tent Floor, 24 Feet (Single Ply) - Tent Floor, 40 Feet (Single Ply) (Copies of drawings are available from the U.S. Army Natic
21、k Research, Development, and Engineering Center, ATTN: STRNC-UX, Natick, MA 01760-5014.) * 2.2 Non-Government publications. The following documents form a part of this Unless otherwise specified, the issues document to the extent specified herein. of the documents which are DoD adopted are those lis
22、ted 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 6.2). 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
23、,-,-r MIL-T-44243A 3 I 9997906 O462007 5 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 3574 - Standard Methods of Testing Flexible Cellular Materials - Slab, D 3951 - Standard Practice for Commercial Packaging Bonded, and Molded Urethane Forms (Application for copies should be addressed to the
24、 American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1187.) (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. These documents P also may be available in or through libraries or oth
25、er informational services.) 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has
26、 been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.21, a sample shall be subjected to first article inspection (see 6.3) in accordance with 4.3. * 3.2 Materials and components. Materials and components shall be as specified on the applicable drawings specified in 2.1.2. Materia
27、ls not definitely specified shall be of the quality normally used by the contractor provided that the complete item complies with all provisions of this specification. It is encouraged that recycled material be used when practical as long as it meets the requirements of this specification. * 3.2.1 P
28、olyurethane foam. The polyurethane foam shall conform to the requirements specified on Drawing No. 5-4-3373 when tested as specified in 4.5.2. 3.3 Construction. Construction shall conform to the drawings listed in 2.1.2 and shall be as specified herein. 3.3.1 Stitching, machine. * 3.3.1.1 Types of s
29、titching. All stitch types, kxcept bartacking, shall conform to FED-STD-751 as follows: For all stitching except zig-zag stitching - Type 301, 5 to 7 stitches and stitching indicated by llZ1l on drawings per inch and for attachment of slide fasteners For zig-zag stitching - Type 304, 10 to 14 stitch
30、es per inch 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-44243A 3 W 999990b 04b200 7 MIL-T-4 424 3A For stitching indicated by YZfl on drawings - Type 401, 5 to 7 stitches and for attachment of slide fasteners per inch - Chain portion of s
31、titching shall not appear on outside of tent or cover For bartacking - Bartack, length as specified on drawings 1/8 inch in width (bight) and shall be free of thread breaks and loose stitching 3.3.1.2 Thread breaks. Thread breaks in stitching shall be overstitched not less than 1 inch at each break
32、on stitch type 301, not less than 3/4 inch at each break on stitch type 304, and not less than 1-1/2 inches at each break on stitch type 401, 301. Thread breaks noted during inspection shall be repaired by overstitching the existing stitching starting from a distance of 1 inch before the break, acro
33、ss the defective area, to a distance of 1 inch before the break, across the defective area, to a distance of 1 inch beyond the break. The ends of repair stitching are not required to be backstitched. Thread breaks in type 401 may be overstitched with stitch type 3.3.1.3 Stitching ends. The ends of t
34、ype 301 stitching shall be overstitched not less than I inch except where ends are turned under in a hem or held down by other stitching. Where 301 stitching is performed automatically on stitch patterns such as box, box with cross-stitch, llW1t stitching or straight line tacking, at least three tyi
35、ng, overlapping, or back stitches shall be used to secure the ends of stitching. The ends of type 304 stitching shall be firmly secured by back stitching or overstitching or by increasing the number of stitches per inch at the ends for a minimum of 1/4 inch. 3.3.1.4 Skipped stitches. Two or more con
36、secutively skipped stitches occurring in types 301 and 304 stitching shall be overstitched not less than I inch. Any skipped stitches in type 401 stitching shall be overstitched not less than 1-1/2 inches. Skipped stitches in type 401 stitching may be overstitched with type 301 stitching. Skipped st
37、itches noted during inspection shall be repaired as specified for thread breaks (see 3.3.1.2). 3.3.1.5 Lubrication of thread. The addition of any lubrication to the polyester sewing thread prior to or during the sewing operations is prohibited (see 4$4,1.1). * 3.3.2 Splicing of cloth. There shall be
38、 no splicing of roof, wall, fly, or tent cover panels, permitted and, if performed, shall conform to the following requirements: Splicing of reinforcements and sod cloth sections will be a. Eight feet or less in length - one splice permitted More than 8 feet but not more than 12 feet in length - two
39、 splices More than 12 feet in length - three splices permitted permitted 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-44243A 3 W 9999906 0462009 9 b. The shortest length of any spliced piece shall be not less than 2 feet c. Pieces shall be
40、 joined using seam type SSa-1 of FED-STD-751 * 3.3.2.1 Splicing of hook and loop fastener tape, reinforcement tapes, and reinforcement webbing. Splicing will be permitted and, if performed, the splicing shall conform to the following requirements: a. Material shall be overlapped a minimum of 1 inch.
41、 b. c. No more than one splice shall be permitted per continuous length Material shall be spliced using a box stitch leaving a 1/8 inch margin from the edge of the item being spliced. of material. 3.3.3 Attachment of slide fasteners. Care shall be exercised to trim all thread ends to 1/2 inch or les
42、s and to maintain specified distances between edges of fabric attached to slide fastener tape so that there will be no interference with the operation of the slider. 3.3.4 Setting of grommets. Holes punched to receive the grommets shall be smaller than the outside diameter of the grommet barrel so t
43、hat the barrel must be forced through the hole. The grommets shall be securely clinched without cutting the materials. 3.3.5 Setting of end clips. Webbing shall be inserted the fiil depth of the clip. Clips shall be securely attached without cutting the webbing, and the webbing shall be flat at the
44、point of entry. 3.3.6 Wicking of sewing thread (cup test). There shall be no wicking of water through the tent stitching when the tent section is tested as specified in 4.5.1. The cup test is intended to ensure that non-wicking thread has been used and that no lubrication has been added to the polye
45、ster thread prior to or during the sewing operation (see 3.3.1.5). 3.3.7 Cementing. Cementing shall be in accordance with the following procedure: a. Surface preparation. Surfaces to be bonded shall be clean and dry prior to application of the adhesives. Coated cloth surfaces to be bonded shall be t
46、horoughly cleaned by rubbing with toluene-wetted clean cloths or pads, which may contain a mild, bonded abrasive of 80, or finer, grit size or may be of a coarse weave (as for scouring). scuffing or abrading of the base cloth. Separate clean cloths and clean solvent shall be used for final cleaning
47、wipes. Abrasive coated cloths or pads shall not be used directly on stitching at seams. Foam surfaces to be bonded to coated fabric need not be cleaned unless covered with oil or dust. If abrading is exercised, there shall be no 7 Provided by IHSNot for ResaleNo reproduction or networking permitted
48、without license from IHS-,-,-b. Adhesive mixing. The ratio of the adhesive mixture shall be as specified on the drawings. accelerator to be mixed, any settlement shall be uniformly redispersed. Containers for mixing, transfer, and use shall be clean prior to each filling. Adhesive in the containers
49、shall be covered during transit to work stations and during sustained periods of non-use to prevent loss of solvent by evaporation, After mixing, the adhesive shall be used only while sufficiently spreadable to obtain an even coat. Prior to extracting quantities of the base and c. Adhesive application, Except for coated cloth-foam laminates, a minimum of two coats of mixed adhesive shall be evenly spread on the cleaned surfaces to
