NSN 3120-00-938-7953 6770896, 00-938-7953, 009387953
Product Details | THRUST WASHER BEARING
3120-00-938-7953 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: 6770896, 3120-00-938-7953, 00-938-7953, 3120009387953, 009387953
Bearings | Bearings, Plain, Unmounted
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | 21 MAR 1967 | 00-938-7953 | 13211 ( BEARING, WASHER, THRUST ) |
Drawings & Photos | NSN 3120-00-938-7953
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Technical Data | NSN 3120-00-938-7953
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY OVERALL |
| STYLE DESIGNATOR | 23 ROUND |
| OUTSIDE DIAMETER | 3.3700 INCHES NOMINAL |
| CORNER SHAPE | SQUARE ALL CORNERS |
| CROSS-SECTIONAL SHAPE STYLE | 35 RECTANGULAR |
| OVERALL THICKNESS | 0.1220 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM |
| CENTER HOLE SHAPE STYLE | 42 ROUND |
| DIAMETER | ANY ACCEPTABLE |
| SURFACE FINISH | 50.0 MICROINCHES LEFT SIDE 50.0 MICROINCHES RIGHT SIDE |
| LUBRICATION FEATURE | GROOVE FLAT BEARING SURFACE |
| SPECIAL FEATURES | SPLINE BORE,40 TEETH 16/32 PITCH,2.5000 IN. PITCH DIA |
Restrictions/Controls & Freight Information | NSN 3120-00-938-7953
| 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 |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| NMF Description | 114870 | BEARING/BUSHING METAL |
| Less than car load rating | W | Rating Variable |
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 742 | unknown |
| Originating Activity Code | AJ | U.S. Army Soldier's Biological and Chemical Command Natick, MA 01760 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |