NSN 3120-00-839-0297 44B3021439B, 44B3021-439B, 00-839-0297
Product Details | THRUST WASHER BEARING
3120-00-839-0297 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: 44B3021439B, 44B3021-439B, 3120-00-839-0297, 00-839-0297, 3120008390297, 008390297
Bearings | Bearings, Plain, Unmounted
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | 01 JAN 1962 | 00-839-0297 | 13211 ( BEARING, WASHER, THRUST ) |
Drawings & Photos | NSN 3120-00-839-0297
Demand History | NSN 3120-00-839-0297
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 3120-00-839-0297 | 2007-10-275 | 240 | US |
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Technical Data | NSN 3120-00-839-0297
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 52.0 ROCKWELL C MINIMUM OVERALL |
| STYLE DESIGNATOR | 23 ROUND |
| OUTSIDE DIAMETER | 5.1250 INCHES NOMINAL |
| CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER SQUARE SECOND OUTSIDE CORNER CHAMFERED FIRST INSIDE CORNER CHAMFERED SECOND INSIDE CORNER |
| CROSS-SECTIONAL SHAPE STYLE | 35 RECTANGULAR |
| OVERALL THICKNESS | 0.8120 INCHES NOMINAL |
| CENTER HOLE SHAPE STYLE | 48 ROUND W/KEYWAY |
| DIAMETER | 1.7500 INCHES MINIMUM AND 1.7510 INCHES MAXIMUM |
| CENTER HOLE KEYWAY DEPTH | 0.1875 INCHES NOMINAL |
| CENTER HOLE KEYWAY WIDTH | 0.3738 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM |
| CENTER HOLE KEYWAY QUANTITY | 1 |
| SURFACE CONDITION | LAPPED |
| LUBRICATION MATERIAL | LUBRICANT, MANUFACTURERS STANDARD |
| SPECIAL FEATURES | FIRST INSIDE CORNER CHAMFER IDENTICAL TO SECOND. THD SURFACE HOLES1/4-20 UNC-3 |
| III BEARING SURFACE HOLE QUANTITY | 2 FIRST |
| III BEARING SURFACE HOLE DIAMETER | 0.2500 INCHES NOMINAL FIRST |
| (NON-CORE DATA) CHAMFER LENGTH | 0.0625 INCHES NOMINAL |
| (NON-CORE DATA) CHAMFER ANGLE | 20.0 DEGREES NOMINAL |
Restrictions/Controls & Freight Information | NSN 3120-00-839-0297
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| 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. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 194160 | WASHER OR GASKETS, IRON OR STEEL, |
| Less than car load rating | ||
| Less than truck load rating | U | 50.0 |
| Water commodity Code | 742 | unknown |
| Originating Activity Code | XX | |
| 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 |
Management | NSN 3120-00-839-0297
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | Y | TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |