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National Stock Number:
5365-01-326-5143
Federal Supply Class:
5365
National Item Identification Number:
013265143
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:
| 56474-7 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 56474-7 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| OVERALL THICKNESS | 0.125 INCHES NOMINAL | | INSIDE DIAMETER | 3.310 INCHES MINIMUM AND | | 3.320 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.580 INCHES MINIMUM AND | | 3.590 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY | | SURFACE FINISH | 63.0 MICROINCHES OVERALL |
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