MIL-DTL-31008A
3.2.4 Thread. The polyester core thread used for seaming and stitching the jackets shall conform
to type I of A-A-50199, and shall be in the following sizes:
Use
Ticket No.
Ply
Seaming and stitching
50, 70
2
Bartacks
50
2
Overedging
70
2
The color of the thread shall be a good match to the basic cloth.
3.2.5 Elastic webbing. The elastic webbing for the bi-swing retention shall be type II class 1 of
MIL-W-5664 and shall be 1-inch wide and a minimum of 0.035 inch thick. The color shall be
optional. The cut length shall be as follows:
Small
15-3/4 inches
Medium
16-1/2 inches
Large
17-7/8 inches
Extra large
18-3/4 inches
Extra extra large
20
inches
3.2.6 Slide fasteners. The slide fasteners shall conform to type III, style 8, size 8-9 of A-A-
55634, except that the separating unit shall be left handed. The chain and any other metal
components, except the latch and spring of the automatic slider of the slide fastener shall be
brass with a black chemical finish. The slide fastener tapes shall be cotton/warp and nylon
filling, cotton, or polyester and shall be dyed to approximate the shade of the basic fabric. The
tape shall not shrink more than 2 percent in the direction of the warp. The slider on the slide
fastener for the front opening shall have a long tab pull with a 1/2 -inch wide thong that is
fabricated from the basis fabric.
3.2.7 Knit cuffs and waistband. The knitted wrist cuffs for the sleeves shall conform to type III
of MIL-C-3735. The knitted waistband shall be made in accordance with the requirements
specified for the type III knitted wrist cuffs of MIL-C-3735 except that the length, measured in
the wale direction, shall be 9-1/4 inches and the course direction shall be as specified in table I,
and the ends of the waistband shall not be tapered. The color shall be AF Blue Shade No. 1606.
TABLE I. Width of waistband material
Size
Width in direction of courses of material 1/
Small
24 inches
Medium
25 inches
Large
26 inches
Extra large
27 inches
Extra extra large
28 inches
1/ A tolerance of ± 1/2 inch will be permitted.
3.2.8 Insulating cloth. The material used for the thermal insulation shall be 65 percent
polyolephin/35 percent polyester; dual scrim; thickness of 0.6 inches; weight 6.2 oz. A certificate
4
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