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National Stock Number:
5365-01-147-5640
Federal Supply Class:
5365
National Item Identification Number:
011475640
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:
| 181940-6 | 71791 | CURTISS-WRIGHT CONTROLS, INC. |
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Techincal Specification:
| HARDNESS RATING | 53.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 0.835 INCHES MINIMUM AND 0.836 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844,COMP 300M,COND E MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 1.1268 INCHES MINIMUM AND 1.1272 INCHES MAXIMUM | | OVERALL THICKNESS | 0.192 INCHES MINIMUM AND 0.194 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 63.0 MICROINCHES RIGHT SIDE | | SURFACE FINISH | 16.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
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