2930-01-047-9321 PUMP,ENGINE COOLANT Index 5305-01-047-9323 SCREW,MACHINE

National Stock Number:
5365-01-047-9322

Federal Supply Class:
5365

National Item Identification Number:
010479322

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:
33132703956NORTHROP GRUMMAN SYSTEMS CORPORATION
33132756232LOCKHEED MARTIN CORPORATION


Techincal Specification:
INSIDE DIAMETER0.500 INCHES NOMINAL
OUTSIDE DIAMETER0.625 INCHES NOMINAL
OVERALL THICKNESS0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 302
SURFACE TREATMENTOXIDE


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