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National Stock Number:
5365-01-139-2898
Federal Supply Class:
5365
National Item Identification Number:
011392898
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:
| 143734 | 21877 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 2885174 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 2885174 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| INSIDE DIAMETER | 3.187 INCHES NOMINAL | | OUTSIDE DIAMETER | 3.923 INCHES MINIMUM AND 3.928 INCHES MAXIMUM | | OVERALL THICKNESS | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | PASSIVATE |
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