3120-01-321-3649, BEARING,WASHER,THRUST

National Stock Number:
3120-01-321-3649

Federal Supply Class:
3120

National Item Identification Number:
013213649

Description:
BEARING,WASHER,THRUST

Detail:
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.

Manufacturer Information:

TG200644

28839

TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV

Techincal Specification:

DIAMETER	2.7535 INCHES MINIMUM AND 2.7550 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE	ROUND
CORNER SHAPE	CHAMFERED FIRST OUTSIDE CORNER
CORNER SHAPE	CHAMFERED SECOND OUTSIDE CORNER
CORNER SHAPE	SQUARE FIRST INSIDE CORNER
CORNER SHAPE	SQUARE SECOND INSIDE CORNER
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER
MATERIAL	COPPER ALLOY 484 INNER LAYER AND COPPER ALLOY 485 INNER LAYER
MATERIAL	STEEL COMP 1010 OUTER LAYER
PROPRIETARY CHARACTERISTICS	PACS
OUTSIDE DIAMETER	2.8810 INCHES MINIMUM AND 2.8840 INCHES MAXIMUM
OVERALL THICKNESS	0.4200 INCHES NOMINAL
STYLE DESIGNATOR	ROUND
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY

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