Preproduction's and periodic production samples

Page Title: Preproduction's and periodic production samples
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MIL-T-82570A(OS)

4.3 Preproductions and periodic prodution samples

4.3.1 Preproduction sample. A preproduction sample of one torpedo

tube assembly, manufactured in accordance with 3.2.1 and preserved,

packaged and-packed as specified in the contract Or order, shall be

subjected to the preproduction tests detailed in 4.5, at an activity

designated by the procuring activity (See 6.2). Further production of

the torpedo tube by the contractor prior to approval of the pre-

production sample shall be at the contractor's own risk. Approved

production samples shall be included as a part of the quantity specified

for delivery in the contract or order.

4.3.2 Lot size. Unless otherwise specified in the contract or order,

each shipment of units of product shall be a separate "inspection lot"

and may differ from the quantity specified in the total order or contract.

In any event, all units of a single "inspection lot" shall be made to

the same design, with the same materials and manufacturing techniques,

and shall be part of one continuous production run.

4.3.3 Periodic production sample. From each succeeding lot of 50 or

less, a periodic production sample of one torpedo tube assembly shall be

selected at random and submitted tp an activity designated by the

procuring activity (See 6.2) for periodic production inspection. The

sample shall be examined for compliance with the requirements of the

contract, specification and drawings and tested in accordance with 4.5.

Failure of the sample to comply with any requirement shall result in the

rejection of the lot as determined by the procuring activity (See 6.2).

4.4 Quality conformance inspection. Each torpedo tube Mk 32 Mod 5

and Mk 32 Mod 7 to be delivered under contract shall be subjected to the

tests and examinations of this section.

4.4.1 Test conditions. unless otherwise specified, the torpedo tubes

shall be subjected to quality conformance tests under the following

conditions:

4.4.1.1 Test sequence. The sequence of testing procedures presented

herein is suggested only. The tests may be performed in any order that

will permit the most practical and economical use of manpower and

equipment.

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