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National Stock Number:
5365-99-739-0977
Federal Supply Class:
5365
National Item Identification Number:
997390977
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:
| 1306-1002 | K1464 | GOODRICH CONTROL SYSTEMS LTD T/A GOODRICH ENGINE CONTROL SYSTEMS | | 1306-1002 | U4287 | ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED |
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Techincal Specification:
| INSIDE DIAMETER | 0.5118 INCHES MINIMUM AND 0.5129 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | DFSM 4030 MFR REF SINGLE MATERIAL RESPONSE AND DFSM 4080 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | OUTSIDE DIAMETER | 1.02153 INCHES MINIMUM AND 1.02283 INCHES MAXIMUM | | OVERALL THICKNESS | 0.1378 INCHES MINIMUM AND 0.1457 INCHES MAXIMUM | | SURFACE FINISH | 250.0 MICROINCHES OVERALL |
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