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National Stock Number:
3120-00-178-0505
Federal Supply Class:
3120
National Item Identification Number:
001780505
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.
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Manufacturer Information:
| 1913582PC41 | 82522 | PUGET SOUND NAVAL SHIPYARD AND INTERMEDIATE MAINTENCE FACILITY |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 462 OR | | COPPER ALLOY 464 OR | | COPPER ALLOY 482 OR | | COPPER ALLOY 485 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-637 FED SPEC ALL MATERIAL RESPONSES OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 3.2348 INCHES MINIMUM AND | | 3.2656 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.1200 INCHES MINIMUM AND | | 0.1300 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 1.4420 INCHES MINIMUM AND | | 1.4520 INCHES MAXIMUM | | SURFACE CONDITION | GROUND |
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