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National Stock Number:
5365-00-559-9279
Federal Supply Class:
5365
National Item Identification Number:
005599279
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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Techincal Specification:
| INSIDE DIAMETER | 0.623 INCHES MINIMUM AND 0.627 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM | | OVERALL THICKNESS | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 304,CONDITION A FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL CORROSION RESISTING | | SPECIAL FEATURES | NOT CASEHARDENED;HOLE SHAPE:ROUND;SHAPE:ROUND | | SURFACE TREATMENT | PASSIVATE |
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