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National Stock Number:
5365-01-160-2497
Federal Supply Class:
5365
National Item Identification Number:
011602497
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:
| 522-4390727 PIECE 13 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 72643X65X4 PIECE 13 | 96169 | ELECTRIC BOAT CORPORATION | | SSN685-522-4390727 PIECE 13 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| INSIDE DIAMETER | 12.502 INCHES MINIMUM AND 12.504 INCHES MAXIMUM | | OUTSIDE DIAMETER | 12.986 INCHES MINIMUM AND 12.993 INCHES MAXIMUM | | OVERALL THICKNESS | 2.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | COPPER | | SURFACE FINISH | 125.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 32.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 63.0 MICROINCHES BORE |
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