NSN 3120-01-274-5751

Part Details | THRUST WASHER BEARING

3120-01-274-5751 An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also WASHER, FLAT and SPACER, SLEEVE.

Alternate Parts: 259045 ITEM 23, 258850 ITEM 88, 3120-01-274-5751, 01-274-5751, 3120012745751, 012745751

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31MAR 10, 198801-274-575113211 ( BEARING, WASHER, THRUST )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3120-01-274-5751
Part Number Cage Code Manufacturer
259045 ITEM 2343689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
258850 ITEM 8843689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
Technical Data | NSN 3120-01-274-5751
Characteristic Specifications