NSN 3120-01-258-0897 R55721, 01-258-0897, 012580897
Product Details | THRUST WASHER BEARING
3120-01-258-0897 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: R55721, 3120-01-258-0897, 01-258-0897, 3120012580897, 012580897
Bearings | Bearings, Plain, Unmounted
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | 27 JUN 1987 | 01-258-0897 | 13211 ( BEARING, WASHER, THRUST ) |
Drawings & Photos | NSN 3120-01-258-0897
Cross Reference | NSN 3120-01-258-0897
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| R55721 | 75160 | DEERE & CO |
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Technical Data | NSN 3120-01-258-0897
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 1552 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| STYLE DESIGNATOR | 30 ROUND W/KEYWAYS |
| OUTSIDE DIAMETER | 2.2800 INCHES NOMINAL |
| KEYWAY RADIUS | 0.0300 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM |
| WASHER KEYWAY DEPTH | 0.0100 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM |
| KEYWAY QUANTITY | 8 |
| CORNER SHAPE | SQUARE ALL CORNERS |
| CROSS-SECTIONAL SHAPE STYLE | 35 RECTANGULAR |
| OVERALL THICKNESS | 0.1630 INCHES MINIMUM AND 0.1670 INCHES MAXIMUM |
| CENTER HOLE SHAPE STYLE | 55 ROUND W/KEYWAYS |
| MAJOR DIAMETER | 1.9010 INCHES MINIMUM AND 1.9050 INCHES MAXIMUM |
| MINOR DIAMETER | 1.7550 INCHES MINIMUM AND 1.7650 INCHES MAXIMUM |
| CENTER HOLE KEYWAY QUANTITY | 8 |
| SURFACE CONDITION | GROUND |
Restrictions/Controls & Freight Information | NSN 3120-01-258-0897
| 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 | 093486 | BOLTS,NUTS OR SCREWS, NOI (SUB 3) |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 713 | unknown |
| Originating Activity Code | GX | HQ Defense Logistics Agency, Enterprise Business Systems Fort Belvoir, VA 22060 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| 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 3120-01-258-0897
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 | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |