NSN 3120-01-551-8281 228KD237P233, 01-551-8281, 015518281
Product Details | THRUST WASHER BEARING
3120-01-551-8281 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: 228KD237P233, 3120-01-551-8281, 01-551-8281, 3120015518281, 015518281
Bearings | Bearings, Plain, Unmounted
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | 29 MAY 2007 | 01-551-8281 | 13211 ( BEARING, WASHER, THRUST ) |
Drawings & Photos | NSN 3120-01-551-8281
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Technical Data | NSN 3120-01-551-8281
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAEJ404 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| STYLE DESIGNATOR | 23 ROUND |
| OUTSIDE DIAMETER | 3.2660 INCHES MINIMUM AND 3.2970 INCHES MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | 35 RECTANGULAR |
| OVERALL THICKNESS | 0.2330 INCHES NOMINAL |
| CENTER HOLE SHAPE STYLE | 54 ROUND W/ROUND KEYWAYS |
| MINOR DIAMETER | 2.2000 INCHES MINIMUM AND 2.2180 INCHES MAXIMUM |
| LUBRICATION MATERIAL | LUBRICATING OIL |
| SPECIAL FEATURES | RUBBER STAMP MAC PART NUMBER ON BEARING; 13 SPLINES |
Restrictions/Controls & Freight Information | NSN 3120-01-551-8281
| 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. |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| 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 |
|---|---|---|
| No Freight Information | ||