NSN 3120-00-385-9431
Part Details | THRUST WASHER BEARING
3120-00-385-9431 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.
Alternate Parts: LC1174, 3120-00-385-9431, 00-385-9431, 3120003859431, 003859431
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
31 | JAN 01, 1963 | 00-385-9431 | 13211 ( BEARING, WASHER, THRUST ) |
REFERENCE DRAWINGS & PICTURES
COUNTERBORED

ROUND

ROUND

Cross Reference | NSN 3120-00-385-9431
Part Number | Cage Code | Manufacturer |
---|---|---|
LC1174 | 16712 | SIEMENS DEMAG DELAVALTURBOMACHINERY, INC. |
Technical Data | NSN 3120-00-385-9431
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | ROUND |
OUTSIDE DIAMETER | 4.3750 INCHES NOMINAL |
CROSS-SECTIONAL SHAPE STYLE | COUNTERBORED |
COUNTERBORE DIAMETER | 3.8125 INCHES NOMINAL |
COUNTERBORE DEPTH | 0.0930 INCHES NOMINAL |
OVERALL THICKNESS | 0.4370 INCHES NOMINAL |
CENTER HOLE SHAPE STYLE | ROUND |
DIAMETER | 2.4980 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM |
SPECIAL FEATURES | W/2 GROOVES ON SIDE OPPOSITE COUNTERBORE,BEARING SURFACE HOLES ARE 0.1875 IN. DEEP AND EQUALLY SPACED ON 3.000 IN. BOLT CIRCLE ON COUNTERBORE SIDE |