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National Stock Number:
5365-01-012-5378
Federal Supply Class:
5365
National Item Identification Number:
010125378
Description:
SPACER,RING
Detail:
A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see GASKET. For items manufactured from lubricated plastics, see BEARING, WASHER, THRUST. For items manufactured from lubricated felt, see FELT, MECHANICAL, PREFORMED. Excludes DISK, VALVE; INSULATOR WASHER; and SHIM. See also SPACER, PLATE and SPACER, SLEEVE.
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Manufacturer Information:
| 502AS2878 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| INSIDE DIAMETER | 1.755 INCHES MINIMUM AND 1.765 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.000 INCHES MINIMUM AND 2.020 INCHES MAXIMUM | | OVERALL THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4507 ASSN STD 1ST MATERIAL RESPONSE OR AMS 4611 ASSN STD 2ND MATERIAL RESPONSE | | MATERIAL | COPPER ALLOY 260 OR COPPER ALLOY 464 | | SPECIAL FEATURES | FULL RADIUS ON BORE | | SURFACE FINISH | 125.0 MICROINCHES BORE | | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 63.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 63.0 MICROINCHES RIGHT SIDE |
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