MIL-DTL-44050B
TABLE III. Sample size.
Lot size (yards)
Sample size (units)
800 or less
2
801 up to and including 22,000
3
22,001 and over
5
4.5 Methods of Inspection.
4.5.1 Organic resistance test. Place a small specimen of the cloth on a smooth horizontal
surface, face up, using a pipette or eye dropper, gently deposit one drop of n-dodecane on the
surface of the specimen. After 1 minute, examine the specimen under light at an angle. Absence
of light reflectance at the fabric drop interface shall be taken as evidence of wetting. Three
specimens taken at various locations across the sample shall be tested. Evidence of wetting on
any specimen shall be cause for rejection of the lot.
4.5.2 Ballistic resistance test (Type I). The test panels shall be made up of cut pieces taken from
the sample unit. The size of each layer in the panels shall be approximately 15 inches by 15
inches. Each test panel shall contain 8 layers of cloth. The specimens shall be tested in
accordance with the procedure in 4.5.6. Prior to conducting the test, the panels shall be
preconditioned in the ballistic test area for at least 24 hours with air freely circulating on all sides
of the layers. All test panels shall be sewn in accordance with 4.5.5.
4.5.3 Bullet resistance test (Type IA). The test panels shall be made up of cut pieces taken from
the sample unit. The size of each layer in the panels shall be approximately 15 inches by 15
inches. Each test panel shall contain 8 layers of cloth. Prior to conducting the test, the panels
shall be preconditioned in the ballistic test area for at least 24 hours with air freely circulating on
all sides of the layers. All test panels shall be sewn in accordance with 4.5.5. The 8-layer panels
being tested for bullet resistance shall be tested separately against the 22 and 38 caliber bullets
and at the velocities specified in 3.10.2. Only dry panels shall be tested. The test procedures
shall be in accordance with those specified for the Type I armor in NIJ Standard 0101.06.
4.5.4 Ballistic resistance test (Types II, III, IV, and V). The test panels shall be made up of cut
pieces taken from the sample unit. The size of each layer in the panels shall be approximately 15
inches by 15 inches. Each test panel shall contain the appropriate number of plies of cloth as
defined in section 3.10.1 3.10.6. The specimens shall be tested in accordance with the
procedure in 4.5.6. Prior to conducting the test, the panels shall be preconditioned in the ballistic
test area for at least 24 hours with air freely circulating on all sides of the layers. All test panels
shall be sewn in accordance with 4.5.5.
4.5.5 Sewing of ballistic test panels (all Types). All ballistic test panels (all Types) shall be
sewn around the periphery 1/2 inch ± 1/8 inch from the edges. The sewing shall be
accomplished in accordance with the following:
a. Thread-Nylon, conforming to Type I, Class B of V-T-295, or Polyester conforming to
Type I, Class 1, Subclass B of MIL-DTL-32072. Thread size shall be Tex size 70
(Government size "E"). Color shall be optional unless otherwise specified in the contract
or purchase order (see 6.2).
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