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Last Modified: Jan 27, 2021

Part Number 4028809 Bearing

National Stock Number: 3120-00-001-4993

4028809 Cross Reference Parts

MFG Part Number ISC RNVC RNCC HCC MSDS SADC DAC

4028809

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Summary Information (click on this NSN number for detailed information: 3120-00-001-4993)

Definition: Bearing, also referenced with federal logistics item name code 13211: 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.
Federal Supply Class (FSC): 3120
NIIN: 00-001-4993 (000014993)
NMF Description: BEARING/BUSHING METAL
Similar parts: 3120-00-018-0266 3120-00-019-9297 3120-00-018-3239 3120-00-019-6660 3120-00-019-2221 3120-00-019-6663 3120-00-019-1005 3120-00-019-2861 3120-00-021-3000 3120-00-021-2101 3120-00-019-9143