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National Stock Number:
3120-01-254-3965
Federal Supply Class:
3120
National Item Identification Number:
012543965
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:
| PD-421690PC13 | 3A162 | VOGT EDWARD VALVE CO A BRITISH TIRE & RUBBER CO | | PD-421690PC13 | 6Y177 | BTR SILVERTOWN LTD ANDRE EXPANSION JOINT DIV | | PD-422995PC13 | 3A162 | VOGT EDWARD VALVE CO A BRITISH TIRE & RUBBER CO | | PD-422995PC13 | 6Y177 | BTR SILVERTOWN LTD ANDRE EXPANSION JOINT DIV | | PD-422995 PC 13 | 80318 | BTR VALVE SEALANTS INC | | PD-421690PC13 | K7073 | SILENTBLOC UK LTD | | PD-422995PC13 | K7073 | SILENTBLOC UK LTD |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
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