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National Stock Number:
5365-01-497-3509
Federal Supply Class:
5365
National Item Identification Number:
014973509
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:
| 6294477 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 704-6294477 ITEM 31 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| INSIDE DIAMETER | 2.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-465, C63200 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | COPPER ALLOY 632 | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 2.750 INCHES NOMINAL | | OVERALL THICKNESS | 0.250 INCHES NOMINAL | | SPECIAL FEATURES | DWG IS EXPORT CONTROLLED;MATERIAL DOCUMENT HAS BEEN S/S BY ASTM B169, B150, AND B124 DTD MARCH 10, 1988 | | SURFACE FINISH | 125.0 MICROINCHES OVERALL |
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