A-A-50196B
SALIENT CHARACIERISTICS
3.1 General description. The thread shall be made from silk. The Machine twist, and Button hole twist thread shall have final twist in "Z" direction. The Hand Sewing, and Embroidery thread shall have final twist in the "S" direction.
3.2 Physical requirements of thread. The thread shall conform to the physical requirements specified in Table I.
TABLE I Physical requirements
Type Tex Breaking Strength lbs. min. Test Method
Machine Twist
24 |
1.6 |
ASTM-D-204 1/ 2/ |
27 |
1.9 |
ASTM-D-204 1/ 2/ |
35 |
2.4 |
ASTM-D-204 1/ 2/ |
45 |
2.9 |
ASTM-D-204 1/ 2/ |
60 |
4.0 |
ASTM-D-204 1/ 2/ |
70 |
4.7 |
ASTM-D-204 1/ 2/ |
90 |
6.6 |
ASTM-D-204 1/ 2/ |
135 |
8.7 |
ASTM-D-204 1/ 2/ |
150 |
10.2 |
ASTM-D-204 1/ 2/ |
Button Hole
Twist Tailors
105 |
6.6 |
ASTM-D-204 1/ 2/ |
135 |
8.7 |
ASTM-D-204 1/ 2/ |
150 |
10.2 |
ASTM-D-204 1/2/ |
Button Hole Twist
Dry Goods
70 4.7 ASTM-D-204 1/ 2/
Hand Sewing
40 |
2.4 |
ASTM-D-204 1/ 2/ |
60 |
4.0 |
ASTM-D-204 1/ 2/ |
Embroidery
50 |
3.2 |
ASTM-D-204 1/ 2/ |
70 |
4.7 |
ASTM-D-204 1/ 2/ |
90 |
6.6 |
ASTM-D-204 1/ 2/ |
1/ Testing speed shall be 12 + 0.5 in./min., and a 10 inch gauge length shall be used.
2/ Five determinations per sample unit.
Source: https://assist.dla.mil -- D2ownloaded: 2014-09-26T07:58Z Check the source to verify that this is the current version before use.
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