3120-00-537-3043, BEARING,WASHER,THRUST

National Stock Number:
3120-00-537-3043

Federal Supply Class:
3120

National Item Identification Number:
005373043

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:

B8005-09-010FN58	81996	U S ARMY AVIATION AND MISSILE COMMAND
V09-010-058	97403	CECOM LR CENTER

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CORNER SHAPE	ROUND THIRD OUTSIDE CORNER
CORNER SHAPE	SQUARE FIRST INSIDE CORNER
CORNER SHAPE	SQUARE FIRST OUTSIDE CORNER
CORNER SHAPE	SQUARE FOURTH OUTSIDE CORNER
CORNER SHAPE	SQUARE SECOND INSIDE CORNER
CORNER SHAPE	SQUARE SECOND OUTSIDE CORNER
CROSS-SECTIONAL SHAPE STYLE	SHOULDERED
DIAMETER	2.3670 INCHES MINIMUM AND 2.3770 INCHES MAXIMUM
FEATURES PROVIDED	CASEHARDENED
FLANGE THICKNESS	0.0700 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM
OUTSIDE DIAMETER	3.2400 INCHES MINIMUM AND 3.2600 INCHES MAXIMUM
OVERALL THICKNESS	0.1330 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM
MATERIAL	STEEL COMP 1010 OR STEEL COMP 1020 OVERALL
SHANK OUTSIDE DIAMETER	2.8900 INCHES MINIMUM AND 2.9100 INCHES MAXIMUM
STYLE DESIGNATOR	ROUND
SURFACE CONDITION	GROUND

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