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National Stock Number:
5365-99-282-6407
Federal Supply Class:
5365
National Item Identification Number:
992826407
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:
| B508814 | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| HARDNESS RATING | 300.0 VICKERS MINIMUM AND 350.0 VICKERS MAXIMUM | | INSIDE DIAMETER | 8.010 INCHES MINIMUM AND 8.020 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MSRR 6503 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL CORROSION RESISTING | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER ADJUSTING | | OUTSIDE DIAMETER | 8.4225 INCHES MINIMUM AND 8.4275 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0838 INCHES MINIMUM AND 0.0842 INCHES MAXIMUM | | SPECIAL FEATURES | 0.065 IN. LG BY 45 DEG CHAMFER ON ONE OUTSIDE EDGE | | SURFACE FINISH | 125.0 MICROINCHES BORE | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
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