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National Stock Number:
5365-01-599-0049
Federal Supply Class:
5365
National Item Identification Number:
015990049
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:
| 7647798 | 34228 | L3 TECHNOLOGIES, INC. | | 7647798 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 7647798 REV A | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| OVERALL THICKNESS | 0.249 INCHES MINIMUM AND | | 0.255 INCHES MAXIMUM | | INSIDE DIAMETER | 3.765 INCHES MINIMUM AND | | 3.775 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.888 INCHES MINIMUM AND | | 3.890 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE | | SURFACE TREATMENT | OXIDE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-13924 EXCLUDING PARA:3.9 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE FINISH | 125.000 MICROINCHES OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SPACER,LENS |
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