|
|
|
National Stock Number:
3120-00-841-0271
Federal Supply Class:
3120
National Item Identification Number:
008410271
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.
|
Manufacturer Information:
| 3120008410271 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 3120008410271 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 8351718 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
|
Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 3.3600 INCHES NOMINAL | | HARDNESS RATING | 22.0 ROCKWELL C MINIMUM OVERALL | | OUTSIDE DIAMETER | 4.2030 INCHES MINIMUM AND 4.2130 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0200 INCHES MINIMUM AND 0.0240 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | GROUND |
|
|