5310-00-639-6711 WASHER,FLAT Index 5307-00-639-6713 STUD,PLAIN

National Stock Number:
5365-00-639-6712

Federal Supply Class:
5365

National Item Identification Number:
006396712

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.


Manufacturer Information:
F87769-1280020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
INSIDE DIAMETER1.281 INCHES NOMINAL
OUTSIDE DIAMETER1.438 INCHES NOMINAL
OVERALL THICKNESS0.062 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-502,TS FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY


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