3120-00-857-5094, BEARING,WASHER,THRUST

National Stock Number:
3120-00-857-5094

Federal Supply Class:
3120

National Item Identification Number:
008575094

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:

530371-1	0ZWK8	MOOG MILITARY AIRCRAFT LLC
530371-1	70210	HONEYWELL INTERNATIONAL INC.

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CORNER SHAPE	SQUARE SECOND INSIDE CORNER
CORNER SHAPE	SQUARE SECOND OUTSIDE CORNER
CORNER SHAPE	SQUARE THIRD OUTSIDE CORNER
CORNER SHAPE	SQUARE FIRST INSIDE CORNER
CORNER SHAPE	SQUARE FIRST OUTSIDE CORNER
CORNER SHAPE	SQUARE FOURTH OUTSIDE CORNER
CROSS-SECTIONAL SHAPE STYLE	SHOULDERED
DIAMETER	1.3850 INCHES MINIMUM AND 1.3950 INCHES MAXIMUM
FLANGE THICKNESS	0.0480 INCHES MINIMUM AND 0.0520 INCHES MAXIMUM
HARDNESS RATING	90.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 92.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
MATERIAL	STEEL COMP 1015 OVERALL
OUTSIDE DIAMETER	2.4900 INCHES MINIMUM AND 2.4950 INCHES MAXIMUM
OVERALL THICKNESS	0.0750 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM
SHANK OUTSIDE DIAMETER	0.2360 INCHES MINIMUM AND 0.2380 INCHES MAXIMUM
STYLE DESIGNATOR	ROUND
SURFACE FINISH	125.0 MICROINCHES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-490 TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PHOSPHATE OVERALL

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