MIL-DTL-81905G(AS)
3.4.11 Thread. Unless otherwise specified herein, the thread for all sewing operations shall
conform to size E, soft or bonded, 600 Denier, Tex 60, 3 Ply, 6 turns per inch, or size F, soft or
bonded, 800 Denier, Tex 80, 3 Ply, 6 turns per inch, 5 lb minimum break strength, 38 percent
elongation conforming to A-A-50195 and shall approximately match the shade of the basic
material in 3.4.1.1. (Note: This thread may be used to sew the nylon mesh cloth (see 3.4.21) in
lieu of the thread conforming to A-A-59826, type I, class 1, size E, which is specified on the
drawing.)
3.4.12 Snap fasteners. The snap fasteners for the upper leg (thigh) socket tab, lower leg
(ankle) and body (waist) socket tab assemblies shall conform to NASM 27980, Style 2, (socket
NASM27980-6B, button NASM27980-1B, stud NASM27980-7B and eyelet NASM27980-8B).
3.4.13 Fastener tape. The hook and pile fastener tape shall be 1 inch wide, conforming to
A-A-55126, type I, class 2, and table IV of this specification. The hook and pile fastener tape for
the anti-G garment hose retention shall be 2 inches wide, conforming to A-A-55126, type I,
class 2, except for the color. The color of the hook and pile fastener tape shall approximately
match the color of the basic fabric specified in 3.4.1.1. An alternate fire resistant (FR) treated
type II, class 1 hook and pile tape that meets the requirements of 14 CFR Chapter 1, Section
25.853 and Appendix F, part I (a) (1) (i) 60 second vertical burn test may be used for both the 1
inch wide and 2 inch wide hook and pile tapes. Use of package dyeing to meet the shade
requirement is acceptable.
TABLE IV. Dimensions of fastener tapes.
Dimensions of Fastener Tape (inches) 1/
Body Lacer Thigh Lacer Calf Lacer
Size of anti-G
Cover 2/
Covers 2/
Covers 2/
Garment
1 by 105/8
Small Regular
1 by 9½
1 by 12½
1 by 131/8
Small Long
1 by 9½
1 by 11½
1 by 107/8
Medium Regular
1 by 10
1 by 12½
1 by 113/8
1 by 131/8
Medium Long
1 by 10
1 by 107/8
Large Regular
1 by 10
1 by 12½
Large Long
1 by 10
1 by 11¼
1 by 13¼
Large Extra Long
1 by 10
1 by 11¼
1 by 17¼
1/ Since the requirements of table IV specify that the fastener tape for the lacer
covers shall be trimmed, if necessary, so that the fastener tape will be even with the
top and the bottom edges of the flap, these dimensions are approximate.
2/ Two for each anti-G garment shall be required.
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