3120-01-073-4100 BEARING,SLEEVE Index 4820-01-073-4103 VALVE,VENT

National Stock Number:
5365-01-073-4101

Federal Supply Class:
5365

National Item Identification Number:
010734101

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:
1226710519207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
DAX1106773342ALLISON TRANSMISSION INC


Techincal Specification:
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING55.0 BRINELL MINIMUM AND 75.0 BRINELL MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-601,T6 FED SPEC ALL MATERIAL RESPONSES
MATERIALALUMINUM ALLOY 208.0 OR ALUMINUM ALLOY 242.0 OR ALUMINUM ALLOY 295.0 OR ALUMINUM ALLOY 328.0 OR ALUMINUM ALLOY 707.0 OR ALUMINUM ALLOY A712.0


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