5310-00-678-2153 WASHER,FLAT Index 5310-00-678-2155 WASHER,FLAT

National Stock Number:
5365-00-678-2154

Federal Supply Class:
5365

National Item Identification Number:
006782154

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:
909223319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
INSIDE DIAMETER2.725 INCHES NOMINAL
OUTSIDE DIAMETER3.187 INCHES NOMINAL
OVERALL THICKNESS0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-T-830 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 1025


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