2840-00-674-2218 SPACER,RING Index 3110-00-674-2221 PLATE,RETAINING,BEARING

National Stock Number:
5365-00-674-2220

Federal Supply Class:
5365

National Item Identification Number:
006742220

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:
27183723837WGI INC.
27183733513O-A INC.
27183763259BONIFACE TOOL & DIE INC
27183777445RTX CORPORATION


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5645 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 321


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