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National Stock Number:
5365-00-576-7410
Federal Supply Class:
5365
National Item Identification Number:
005767410
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:
| 771578-1 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| INSIDE DIAMETER | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.240 INCHES NOMINAL | | OVERALL THICKNESS | 0.032 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 347 OR STEEL COMP 321 OR STEEL COMP 348 | | SURFACE TREATMENT | PASSIVATE |
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