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National Stock Number:
5365-00-502-5230
Federal Supply Class:
5365
National Item Identification Number:
005025230
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:
| 5025230 | 19206 | ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL |
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Techincal Specification:
| INSIDE DIAMETER | 0.800 INCHES MINIMUM AND 0.806 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM | | OVERALL THICKNESS | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM | | MATERIAL | STEEL | | SPECIAL FEATURES | CHAMFER ON ONE SIDE 45 DEG,.060 LENGTH OF CHAMFER | | SURFACE FINISH | 125.0 MICROINCHES COUNTERBORE DIAMETER | | SURFACE TREATMENT | PHOSPHATE |
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