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National Stock Number:
3120-01-101-2783
Federal Supply Class:
3120
National Item Identification Number:
011012783
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:
| AK 4329 1SZD | 42280 | GARDNER DENVER NASH LLC |
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Techincal Specification:
| CENTER HOLE KEYWAY DEPTH | 0.0830 INCHES MINIMUM AND 0.0880 INCHES MAXIMUM | | CENTER HOLE KEYWAY WIDTH | 0.1266 INCHES MINIMUM AND 0.1366 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND W/KEYWAY | | CORNER SHAPE | SQUARE ALL CORNERS | | COUNTERBORE DEPTH | 0.0312 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.6300 INCHES MINIMUM AND 0.6400 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | COUNTERBORED | | DIAMETER | 0.4900 INCHES MINIMUM AND 0.4910 INCHES MAXIMUM | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION | | MATERIAL | GREASE LUBRICATION | | MATERIAL | STEEL OVERALL | | OUTSIDE DIAMETER | 0.8750 INCHES NOMINAL | | OVERALL THICKNESS | 0.3760 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | LAPPED |
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