MIL-DTL-25867D
3.4.2 Leakage. Leakage shall not exceed the tolerances specified in table II.
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 Y14.100 shall govern the manufacturer's part numbers
and changes of the part numbers.
3.6 Screw threads. Screw threads shall be in accordance with SAE AS8879.
3.7 Lubricants. Lubricants shall conform to MIL-PRF-6085.
3.8 Weight. The weight of the gage shall not exceed 0.18 pound.
3.9 Finishes and protective coatings.
3.9.1 Aluminum-alloy parts. Aluminum-alloy parts shall be covered with an anodic film
conforming to MIL-A-8625, except as follows:
a. Dials, small holes, and case inserts need not be anodized.
b. Aluminum alloys that do not anodize satisfactorily shall be coated with a chemical
film in accordance with MIL-C-5541.
c. Where the primary purpose of the treatment is to afford a suitable paint base,
chemical treatments in accordance with MIL-C-5541 may be used in lieu of anodizing.
d. Castings containing non-aluminum alloy integral inserts may be treated with a
chemical film in accordance with MIL-C-5541 in lieu of anodizing.
e. When abrasion resistance is a factor, chemical films in accordance with MIL-C-5541
shall not be used in lieu of anodizing.
3.9.2 Steel parts. Cadmium plating of steel parts, when used, shall be in accordance with
SAE AMS-QQ-P-416, type II or III, as applicable, and of a class that is adequate to achieve the
degree of protection required.
3.10 Identification of product. Equipment, assemblies, and parts shall be marked for
identification in accordance with MIL-STD-130.
3.10.1 Nameplate. The nameplate shall be located behind the cover glass as shown on
MS24478 to provide maximum protection and shall be marked as follows:
Gage, Pressure, Pneumatic
MS type number (as applicable)
Manufacturer's part number (as applicable)
Manufacturer's name or trademark
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