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National Stock Number:
5365-99-738-9805
Federal Supply Class:
5365
National Item Identification Number:
997389805
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:
| B501615 | K0378 | ROLLS-ROYCE PLC | | B501615 ZZ | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| INSIDE DIAMETER | 1.380 INCHES MINIMUM AND 1.385 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | BS, S1 NATIONAL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | OUTSIDE DIAMETER | 1.590 INCHES MINIMUM AND 1.610 INCHES MAXIMUM | | OVERALL THICKNESS | 0.147 INCHES MINIMUM AND 0.167 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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