NSN 3120-00-425-4388 172265A2, 00-425-4388, 004254388
Product Details | THRUST WASHER BEARING
3120-00-425-4388 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.
Part Alternates: 172265A2, 3120-00-425-4388, 00-425-4388, 3120004254388, 004254388
Bearings | Bearings, Plain, Unmounted
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | 00-425-4388 | 13211 ( BEARING, WASHER, THRUST ) |
Drawings & Photos | NSN 3120-00-425-4388
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Technical Data | NSN 3120-00-425-4388
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY OVERALL |
| STYLE DESIGNATOR | 23 ROUND |
| OUTSIDE DIAMETER | 6.5000 INCHES NOMINAL |
| CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER CHAMFERED FIRST INSIDE CORNER CHAMFERED SECOND INSIDE CORNER |
| CROSS-SECTIONAL SHAPE STYLE | 35 RECTANGULAR |
| OVERALL THICKNESS | 0.3750 INCHES NOMINAL |
| CENTER HOLE SHAPE STYLE | 42 ROUND |
| DIAMETER | 4.4062 INCHES NOMINAL |
| LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE |
| (NON-CORE DATA) CHAMFER LENGTH | 0.0625 INCHES NOMINAL |
| (NON-CORE DATA) CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
Restrictions/Controls & Freight Information | NSN 3120-00-425-4388
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||