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National Stock Number:
5365-01-165-3731
Federal Supply Class:
5365
National Item Identification Number:
011653731
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:
| 5210511 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| INSIDE DIAMETER | 6.696 INCHES MINIMUM AND 6.698 INCHES MAXIMUM | | OUTSIDE DIAMETER | 7.995 INCHES MINIMUM AND 8.000 INCHES MAXIMUM | | OVERALL THICKNESS | 1.125 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A276,COND A ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 316 | | SPECIAL FEATURES | BOSS ON ONE BEARING SURFACE 7.250 IN. DIA AND 0.015 IN. THICK | | SURFACE FINISH | 16.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
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