5365-01-139-7203 RING,SEAL,BEARING Index 2840-01-139-7205 SUPPORT,SEAL

National Stock Number:
5365-01-139-7204

Federal Supply Class:
5365

National Item Identification Number:
011397204

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:
4055T72P0151992UNION MACHINE CO OF LYNN, INC
4055T72P0198839HANSEN ENGINEERING AND MACHINERY CO., INC.
4055T72P0199207GENERAL ELECTRIC COMPANY


Techincal Specification:
INSIDE DIAMETER5.7105 INCHES MINIMUM AND 5.7115 INCHES MAXIMUM
OUTSIDE DIAMETER6.2820 INCHES MINIMUM AND 6.2840 INCHES MAXIMUM
OVERALL THICKNESS0.2490 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 630
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2406 ASSN STD SINGLE TREATMENT RESPONSE
SURFACE TREATMENTCHROMIUM


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