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National Stock Number:
5365-99-151-1565
Federal Supply Class:
5365
National Item Identification Number:
991511565
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:
| B 511742 | K0378 | ROLLS-ROYCE PLC | | B511742 | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | HARDNESS RATING | 713.0 VICKERS MINIMUM | | HOLE SHAPE | ROUND | | INSIDE DIAMETER | 1.580 INCHES MINIMUM AND 1.585 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MSRR 6001 MFR REF SINGLE MATERIAL RESPONSE | | MATERIAL HARDNESS RATING | B713.0 VICKERS MINIMUM | | MATERIAL | STEEL | | OUTSIDE DIAMETER | 1.820 INCHES MINIMUM AND 1.830 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.820 INCHES MINIMUM AND 1.830 INCHES MAXIMUM | | OUTSIDE THICKNESS | 0.118 INCHES MINIMUM AND 0.119 INCHES MAXIMUM | | OVERALL THICKNESS | 0.118 INCHES MINIMUM AND 0.119 INCHES MAXIMUM | | SHAPE | ROUND | | SURFACE FINISH | 63.0 MICROINCHES BORE | | SURFACE FINISH | 63.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 63.0 MICROINCHES RIGHT SIDE |
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