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National Stock Number:
5365-99-342-0907
Federal Supply Class:
5365
National Item Identification Number:
993420907
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:
| B508816 | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| INSIDE DIAMETER | 8.010 INCHES MINIMUM AND 8.020 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MSRR 6503 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER ADJUSTING | | OUTSIDE DIAMETER | 8.4225 INCHES MINIMUM AND 8.4275 INCHES MAXIMUM | | OVERALL THICKNESS | 0.08675 INCHES MINIMUM AND 0.08725 INCHES MAXIMUM | | SURFACE FINISH | 125.0 MICROINCHES BORE | | SURFACE FINISH | 32.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 32.0 MICROINCHES RIGHT SIDE |
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