MIL-DTL-83361B
3.4.11 Insulation resistance. The insulation resistance between each pin of the electrical
receptacle and the case and between all external connections of each mutually insulated circuit
shall be a minimum of 100 megohms. This requirement does not apply to the lighting circuit
(pins J and K).
3.4.12. Electromagnetic interference. The indicator shall meet the electromagnetic
interference requirements of MIL-STD-461 for class A1 equipment. The test methods shall be
as specified in 4.5.19.
3.5 Part numbering of interchangeable parts. All parts having the same manufacturer's
part number shall be functionally and dimensionally interchangeable. The item identification
and part number requirements of ASME Y14.34M shall govern the manufacturer's part numbers
and changes thereto.
3.6 Numeral and letters. Numerals and letters shall conform to MS33558.
3.7 Finishes and protective coatings. Aluminum alloy parts shall be coated with an anodic
film conforming to MIL-A-8625. Small holes, straight threads, case inserts, and parts in
hermetically sealed enclosures need not be anodized. Aluminum alloys that do not anodize
satisfactorily shall be coated with a chemical film conforming to MIL-DTL-5541. When abrasion
resistance is a factor, chemical films in accordance with MIL-DTL-5541 shall not be used.
3.8 Weight. The weight of the indicator shall not exceed 1.0 pound.
3.9 Screw threads. Unless otherwise specified herein, the threads of all machine screws
shall conform to MIL-S-7742.
3.10 Identification of product. Equipment, assemblies, and parts shall be marked for
identification in accordance with MIL-STD-130.
3.10.1 Nameplate. A nameplate shall be permanently attached to the rear of the case.
Where applicable, the information marked thereon shall conform to MIL-STD-130. The
nameplate shall not be glued or cemented to the case nor shall metal decals be used.
3.11 Pointer or movement interference. In tests that require operation of the indicator,
the inspection methods are intended for each movement of the indicator. Tests of the
movements may be conducted individually or simultaneously, unless otherwise specified. A
check of each movement through its entire range to ensure that there is no interference with the
other movement or any other type of interference shall be conducted in each operational test.
3.12 Workmanship. The workmanship guideline of MIL-HDBK-454 may be used as a
reference for the determination of quality workmanship.
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