MIL-C-81861 Control, Depth, Torpedo C-7821/AThe equipment covered by this specification shall be for airborne use and shall provide for inflight manually selecting depth settings of the Mk 44 Mod 0 or Mod 1 Torpedo or the search depth and ceiling settings of the Mk 46 Mod 0 or Mod 2 Torpedo prior to their release from the carrying aircraft. In addition, the equipment shall be capable of selecting the SNAKE mode gyro settings of the Mk 46 Mod 1 and the HATS mode gyro settings for the Mk 46 Mod 2 Torpedos. Also, a visual indication that the torpedo setting matches the selected setting shall be provided.

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MIL-C-81861(AS)

Test Periods. The test may be run continuously or intermittently.

4.5.2

Any period of operation shall be of sufficient duration to permit the equipment

temperature to stabilize. Periodically, the equipment shall be turned on and off

several times and put through its various phases of operation.

Performance Check. At approximately 8-hour intervals during the test,

4.5.3

a limited performance check shall be made. The performance check proposed by the

contractor shall be subject to approval by the procuring activity.

Test Data. The contractor shall keep a daily record of the

4.5.4

performance of the equipment, making particular note of any deficiencies or failures.

In the event of part failures, the defective part shall be replaced and the operation

resumed for the balance of the test period. A record shall be kept of all failures

throughout the test. This record shall indicate the following:

Part type number

The circuit reference symbol number

The part function

Name of the manufacturer

Nature of the failure

The number of hours which the part operated prior to failure

Failure Report. In the event of a failure, the Government Inspector

4.5.4.1

shall be notified immediately. A report shall be submitted to the procuring activity

upon. completion of the test. In this report, the conractor shall provide suitable

and adequate design or material corrections for all failures which occurred. The

procuring activity will review such proposals and determine whether they are

acceptable.

Test Procedures. The procedures used for conducting preproduction

4.6

tests, acceptance tests and life tests shall be prepared by the contractor and

submitted to the procuring activity for review aid approval. The right is reserved

by the procuring activity or the Government Inspector to modify the tests or require

any additional tests deemed necessary to determine compliance with the requirements

of this specification and the contract. MIL-T-18303 shall be used as a guide for

preparation of test procedures. When approved test procedures are available from

previous contracts such procedures will be provided and may be used when their use

is approved by the procuring activity. However, the right is reserved by the

procuring activity to require modification of such procedures, including additional

tests, when deemed necessary.

Reconditioning of Tested Equipment. Equipment which has been

4.7

subjected to acceptance and life tests shall be reconditioned by the contractor by

`replacing all wear or damaged items. After reworking, the contractor shall resubmit

the equipment for acceptance.

Presubmission Testing. No item, part or complete equipment shall be

4.8

submitted by the contractor until it has been previously tested and inspected by the

contractor and found to comply, to the best of his knowledge and belief, with all

applicable requirements.