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National Stock Number:
5365-01-165-3730
Federal Supply Class:
5365
National Item Identification Number:
011653730
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:
| 5210503 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| INSIDE DIAMETER | 4.727 INCHES MINIMUM AND 4.729 INCHES MAXIMUM | | OUTSIDE DIAMETER | 5.995 INCHES MINIMUM AND 6.000 INCHES MAXIMUM | | OVERALL THICKNESS | 0.770 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 BOTH SIDES 5.500 IN. DIA AND 0.015 IN. THICK; FOUR TAPPED HOLE ON ONE BEARING SURFACE EQUALLY SPACED ON 5.250 IN. BOLT CIRCLE 0.250-2QUNC 0.375 IN DEEP | | SURFACE FINISH | 16.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
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