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National Stock Number:
3120-01-498-1950
Federal Supply Class:
3120
National Item Identification Number:
014981950
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:
| 2498569 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6934965 | 02KS2 | SIMFER PRECISION MACHINE CO | | 6934965 | 0F1X1 | ORDNANCE TECHNOLOGY SERVICE, INC. | | 6934965 | 1YJV1 | T. R. MACHINE, INC. | | 6934965 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| DIAMETER | 7.2610 INCHES MINIMUM AND 7.2650 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | FLANGE THICKNESS | 0.3100 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6440 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP E52100 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 9.5300 INCHES MINIMUM AND 9.5900 INCHES MAXIMUM | | OVERALL THICKNESS | 0.3310 INCHES NOMINAL | | SHANK OUTSIDE DIAMETER | 7.7739 INCHES MINIMUM AND 7.7743 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND |
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