MIL-DTL-24308G

w/AMENDMENT 2

19

TABLE XIII. Lot and sample size.

Lot size

Sample size

2 to 12

100%

13 to 150

13

151 to 280

20

281 to 500

29

501 to 1,200

34

1,201 to 3,200

42

3,200 to 10,000

50

10,001 to 35,000

60

35,001 to 150,000

74

150,001 to 500,000

90

500,001 and over

102

4.4.2 Retention of qualification. Retention of qualification inspection on connectors shall consist of the

examinations and tests shown in table XI. Shipment shall not be held up pending the results of this inspection.

4.4.3 Periodic inspection. Periodic inspection shall consist of group B inspection, except where the results of this

inspection show noncompliance with the applicable requirement (4.4.3.1.4). Delivery of products, which have passed

group A, shall not be delayed pending the results of these periodic inspections.

4.4.3.1 Group B inspection. Group B inspection shall consist of the inspections specified in table XI, in the order

shown. Group B inspection shall be made on sample units which has been randomly selected from inspection lots,

which have passed the group A inspection.

4.4.3.1.1 Sampling plan.

Group I: Sample connectors consisting of two mated pairs of each class, of each type, of each style of

termination, with the largest insert arrangement and all the nonmetallic materials, including lubricants,

of one connector of classes D, K, and M for which retention of qualification is desired shall be selected

every 36 months. If production of a particular PIN is not current, the group B tests must take place at

the time production is resumed. The testing shall revert to the original schedule, which is applied to a

newly qualified product. If group B testing on classes G and N, D and M, or G, N, D, M is desired, one

completely assembled plug and receptacle of each class shall be subjected to the examinations and

tests in lieu of two of a single class.

Group II: One each of plug and receptacle with the largest insert arrangement being tested shall be submitted.

Group III: Twenty contacts each for pin and socket solder type termination being tested shall be submitted for

solderability requirements, and eight pin contacts of each type being tested shall be submitted for

contact and pin strength requirements.

4.4.3.1.2 Failures. If any sample units fail to pass group B inspection, the entire sample shall be considered to have

failed.

4.4.3.1.3 Disposition of sample units. Sample units, which have been subjected to group B inspection, shall not be

delivered on the contract.