MIL-D-0010132 Discs, Valve

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MIL-D-0010132K(EA)

4.3.3.2 For teats. Fourteen test slabs shall be tested in accordance with

4,4.4.1. TWO groups of 35 disks each shall be tested in accordance with

4.4.4.2(a), disk characteristics and 4.4.4.3, resistance to oxygen pressure

aging.

4.3.4 Acceptance/rejection criteria. The preproduction sample shall meet

the examination and tests specified by 4.3.1, 4.3.3.1, and 4.3.3.2 to be

acceptable. The contractor shall obtain written approval from the contracting

officer before proceeding with regular production.

4.4

Quality conformance inspection.

4.4.1 Lotting. A regular production lot shall consist of the valve disks of

the same type produced by one manufacturer from one batch of compounded raw

material under essentially the same manufacturing conditions.

4.4.2 Sampling.

Sampling shall be con-

4.4.2.1 For examination and nondestructive tests.

ducted in accordance with MIL-STD-105.

4.4.2.2 For destructive tests.

(a) Physical properties Fourteen test slabs, prepared in accor-

dance with 3.2.1, shall be submitted with each lot for testing.

Thirty-five representative disks shall

(b) Disk characteristics.

be taken from each production lot.

taken in accordance with MIL-STD-105, inspection level S-4; however, in no case

shall the sample size be less than 50 disks.

4.4.3 Inspection procedure-

4.4.3.1 For examination and nondestructive tests. Sample disks from regular

production lots shall be examined in accordance with the classification of

defects and MIL-STD-105.

4.4.3.2 For destructive tests.

(a) Physical properties. Sample test slabs shall be tested in

accordance with 4.4.4.1. The acceptance number is zero.

(b) Disk characteristics. Sample disks shall be tested as speci-

fied in 4.4.4.2(a). The acceptance number is zero.

tested in accordance with 4.4.4.3. The acceptance number is zero.