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|  MIL-F-51206(MU)
4.4.3.2 For tests. Specimens taken in accordance with 4.4.2.2
;
shall be tested as specified in 4.4.4. The acceptance number is zero
#
4.4.3.3 Classification of defects.
(a) Filter, cotton,
Categories
Defects
Critical:
none defined
None defined
Major
Minor:
AQL 2.5 percent defective
201
Unshredded yarns (3.1)
202
Disc diameter incorrect (Applicable Drawing)
AQL 10.0 percent defective
203
Workmanship (3.9)
4.4.4 Tests.
4.4.4.1 Water repellency. Specimens shall be tested for water
repellency with the Q101 Water Repellency Indicator (DLB125-8-1-0).
4.4.4.2 Airflow resistance. Specimens shall be tested for airflow
resistance with the Q1l.2 Canister Air Resistance Indicator (DLB 38-6-351-7).
4.4*4.3 Mildew resistance. Specimens shall be tested for mildew
resistance in accordance with method 5750 of FED-STD-191.
4.4.4.4 Thickness. Specimens shall be tested for thickness by
means of a dial-type thickness gage having a 3-ounce presser foot 3/8-
inch in diameter. Thickness determinations shall be made at five
different points on each specimen.
4.4.4.5 Water extracts. Specimens shall be tested for water ex-
tracts as follows: cut 2-3/4 square inch from the roll or disc and
submerge the specimens in individual beakers containing approximately
50 ml of boiling distilled water. Continue to boil for 2 minutes,
then test with red and blue litmus paper.
PREPARATION FDR DELIVERY
5.
5.1 Packaging.
5
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