5310-01-500-4920 WASHER,FLAT Index 3020-01-500-4922 GEAR,SPUR

National Stock Number:
5365-01-500-4921

Federal Supply Class:
5365

National Item Identification Number:
015004921

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:
13230E688197403CECOM LR CENTER
13230E6881-297403CECOM LR CENTER


Techincal Specification:
INSIDE DIAMETER0.403 INCHES MINIMUM AND 0.410 INCHES MAXIMUM
OUTSIDE DIAMETER0.150 INCHES NOMINAL
OVERALL THICKNESS1.100 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B 121,UNS A96061 T651 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY


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