3120-00-741-4267, BEARING,WASHER,THRUST

National Stock Number:
3120-00-741-4267

Federal Supply Class:
3120

National Item Identification Number:
007414267

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:

112046R1	92679	NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/
7414267	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
M307547	61465	GARWOOD/FELLER INC GARWOOD WINCH DIV

Techincal Specification:

MATERIAL	STEEL COMP 1018 OVERALL
HARDNESS RATING	80.1 ROCKWELL A MINIMUM AND
	82.8 ROCKWELL A MAXIMUM OVERALL
STYLE DESIGNATOR	ROUND
OUTSIDE DIAMETER	2.7500 INCHES NOMINAL
CORNER SHAPE	SQUARE FIRST OUTSIDE CORNER
	SQUARE SECOND OUTSIDE CORNER
	SQUARE THIRD OUTSIDE CORNER
	SQUARE FOURTH OUTSIDE CORNER
	SQUARE FIRST INSIDE CORNER
	SQUARE SECOND INSIDE CORNER
CROSS-SECTIONAL SHAPE STYLE	SHOULDERED
FLANGE THICKNESS	0.1500 INCHES MINIMUM AND
	0.1600 INCHES MAXIMUM
OVERALL THICKNESS	0.1720 INCHES MINIMUM AND
	0.1770 INCHES MAXIMUM
SHANK OUTSIDE DIAMETER	2.1250 INCHES NOMINAL
CENTER HOLE SHAPE STYLE	ROUND
DIAMETER	1.7550 INCHES MINIMUM AND
	1.7650 INCHES MAXIMUM
LUBRICATION MATERIAL	LUBRICANT, MANUFACTURERS STANDARD
LUBRICATION FEATURE	GROOVE FLAT BEARING SURFACE
FEATURES PROVIDED	CASEHARDENED
THE MANUFACTURERS DATA
MANUFACTURERS CODE	19207
DESIGN CONTROL REFERENCE	7414267

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