8430-01-492-1952 BOOTS,COMBAT Index 8430-01-492-1954 BOOTS,COMBAT

National Stock Number:
5365-01-492-1953

Federal Supply Class:
5365

National Item Identification Number:
014921953

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:
566-698542753711NAVAL SEA SYSTEMS COMMAND
566-6985427-4453711NAVAL SEA SYSTEMS COMMAND
H621-0103-4496169ELECTRIC BOAT CORPORATION


Techincal Specification:
INSIDE DIAMETER5.009 INCHES MINIMUM AND 5.014 INCHES MAXIMUM
MATERIALPLASTIC ACETAL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER5.995 INCHES MINIMUM AND 5.998 INCHES MAXIMUM
OVERALL THICKNESS0.250 INCHES NOMINAL
SPECIAL FEATURESTECH DATA NOT RELEASED OUTSIDE U.S.


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