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National Stock Number:
5365-00-439-5198
Federal Supply Class:
5365
National Item Identification Number:
004395198
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:
| 756500-103 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| INSIDE DIAMETER | 1.015 INCHES MINIMUM AND 1.028 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4140 | | OUTSIDE DIAMETER | 1.3340 INCHES MINIMUM AND 1.3348 INCHES MAXIMUM | | OVERALL THICKNESS | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM | | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 125.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 125.0 MICROINCHES BORE | | SURFACE FINISH | 125.0 MICROINCHES RIGHT SIDE |
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