3120-00-102-7612, BEARING,WASHER,THRUST

National Stock Number:
3120-00-102-7612

Federal Supply Class:
3120

National Item Identification Number:
001027612

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:

MS17811	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS17811-17	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

MATERIAL	STEEL COMP 1020 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING	58.0 ROCKWELL C MINIMUM OVERALL
STYLE DESIGNATOR	ROUND
OUTSIDE DIAMETER	1.9950 INCHES MINIMUM AND
	2.0050 INCHES MAXIMUM
CORNER SHAPE	SQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
OVERALL THICKNESS	0.1230 INCHES MINIMUM AND
	0.1270 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE	ROUND
DIAMETER	0.8770 INCHES MINIMUM AND
	0.8820 INCHES MAXIMUM
SURFACE FINISH	125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
	125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
	32.0 MICROINCHES LEFT SIDE
	32.0 MICROINCHES RIGHT SIDE
FEATURES PROVIDED	CASEHARDENED
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS17811
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS17811-17

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