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National Stock Number:
3120-01-312-0733
Federal Supply Class:
3120
National Item Identification Number:
013120733
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:
| 6097347 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED FIRST INSIDE CORNER | | COUNTERBORE DEPTH | 0.2500 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.4590 INCHES MINIMUM AND 0.4670 INCHES MAXIMUM | | DIAMETER | 0.2800 INCHES MINIMUM AND 0.2870 INCHES MAXIMUM | | FLANGE THICKNESS | 0.1880 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 316 OVERALL | | OUTSIDE DIAMETER | 2.5000 INCHES NOMINAL | | OVERALL THICKNESS | 0.4000 INCHES NOMINAL | | SHANK OUTSIDE DIAMETER | 0.7290 INCHES NOMINAL | | SPECIAL FEATURES | RIGHT SIDE OF FLANGE COVERED WITH PRESSURE SENSITIVE ADHESIVE TAPE PER VENDOR ITEM 6097358 | | STYLE DESIGNATOR | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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