MIL-S-10133B
3.2 Manufacture. The seat shall be manu-
4.2 Sampling.
factured as shown on Drawing D5-2-606
4.2.1 For nondestructive inspection. Sam-
s h o w i n g a detail of Drawing E5-2-597.
pling for nondestructive inspection shall be
Surface roughness specified by symbols on
conducted in accordance with the authorized
detail drawing shall comply with the appli-
classification of defects (1.3.3 ) and Standard
cable classes in Standard 31 MIL-STD-10.
MIL-STD-105.
3.3 Physical requirements.
4.2.2 For destructive tests,
3.3.1 Rigidity. The hub (see fig. 1) shall
4.2.2.1 lmpact resistance and rigidity
depress not more than 0.016 inch when tested
Sixty-six seats, 22 for test and 44 for retest,
as specified in 4.4.1.
shall be taken at random from each lot for
tests as specified in 4.4.1 and 4.4.2.
3.3.2 Impact resistance. The seat shall not
b r e a k nor shall the ribs or hub be de-
4.2.2.2 Corrosion resistance. Twenty-five
formed so that any portion of the flat surface
seats which have passed the leakage test
of the hub is below the upper edge of the
shall be taken for the corrosion resistance
sealing rim surface when tested as specified
test as specified in 4.4.4.
in 4.4.2.
4.3 Inspection.
3.3.3 Leakage. The leakage through the
seat, before and after corrosion testing, shall
4.3.1 Molds. The inspector shall ascertain
be no more than 15 milliliters (ml. ) of air
that each mold has been approved by Inspec-
per minute when tested as specified in 4.4.3.
ti--n Equipment Agency, Army Chemical
--o-
Center, Md., prior to starting production.
3.3.4 Corrosion resistance. The seat shall
show no corrosion when tested as specified
4.3.2 Packaging, packing, and marking.
in 4.4.4.
The inspector shall inspect the packaging,
packing, and marking for compliance with
3.4 Workmanship. The portions of the seat
section 5.
designed to come in contact with rubber parts
shall be free of sharp edges, The seat shall be
4.3.3 Classification of defects. Inspection
substantial}}- free from flash.
shall be conducted as follows:
4. QUALITY ASSURANCE PROVISIONS
4.3.3.1 Seat, outlet valve. ( Dwg. D5-2-606
which is listed on Dwg. E5-2-597.)
4.1 Lot. A lot shall consist of not more than
Acceptance standards
Categories and defects
the production of each die of each machine
AQL 0.25 percent defective
for a period not exceeding 48 hours con-
Major A
tinuous production. Any shutdown or any
4.4.3
1a. Leakage
alteration in the continuity of production,
such as a change of machine, die, modification
AQL 0.65 percent defective
Major
of die, or change of pot or composition of
alloy, shall be considered as the start of a
Non-fills
new lot, Diecastings shall be kept separated
Axial thickness of hull at hole incorrect
Height of hub in relatlon to sealing
by lot for trimming, finishing, and shipping.
rim surface incorrect
The inspection lot for nondestructive inspec-
Hub hole diameter incorrect
tion, within the above limitations, shall be
Senling rim surface rough, irregular,
designted by the inspector.
burred, or cracked
2
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