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National Stock Number:
3120-00-293-4259
Federal Supply Class:
3120
National Item Identification Number:
002934259
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:
| M400-10 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC | | M400-10 | 56705 | DONALLCO INC | | M400-10 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED FIRST OUTSIDE CORNER | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 0.6253 INCHES MINIMUM AND 0.6256 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.3070 INCHES MINIMUM AND 1.3075 INCHES MAXIMUM | | OVERALL THICKNESS | 0.2780 INCHES MINIMUM AND 0.2840 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY OVERALL | | SPECIAL FEATURES | POSITIONING GROOVE ON EXTERNAL BEARING SURFACE PARALLEL TO THE LONGITUDINAL AXIS,0.240 IN. MIN,0.260 IN. MAX WIDE BY 0.11225 IN. MIN,0.13250 IN. MAX DEEP BY 0.2780 IN. MIN,0.2840 IN. MAX LG | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | GROUND | | SURFACE TREATMENT | LEAD OR TIN ALLOY OVERALL |
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