NSN 3120-00-693-6719 4B21S3420, 4B21S3-420, 00-693-6719
Product Details | SLEEVE BEARING
3120-00-693-6719 A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also BUSHING, SLEEVE; SPACER, SLEEVE; and WASHER (as modified). Excludes PIN, HOLLOW.
Part Alternates: 4B21S3420, 4B21S3-420, 3120-00-693-6719, 00-693-6719, 3120006936719, 006936719
Bearings | Bearings, Plain, Unmounted
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | 01 JAN 1963 | 00-693-6719 | 13205 ( BEARING, SLEEVE ) |
Drawings & Photos | NSN 3120-00-693-6719
Cross Reference | NSN 3120-00-693-6719
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 4B21S3-420 | 43999 | BOEING COMPANY, THE DBA BOEING |
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Technical Data | NSN 3120-00-693-6719
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 4130 OVERALL |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL |
| SURFACE TREATMENT | CHROMIUM OUTSIDE DIAMETER SURFACE OF BODY |
| STYLE DESIGNATOR | 17C SOLID |
| OVERALL LENGTH | 4.6200 INCHES MINIMUM AND 4.6250 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 0.3105 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.1895 INCHES MINIMUM AND 0.1905 INCHES MAXIMUM |
| CORNER SHAPE | SQUARE ALL CORNERS |
| SURFACE FINISH | 250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY 125.0 MICROINCHES LEFT END SURFACE OF BODY 16.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY 125.0 MICROINCHES RIGHT END SURFACE OF BODY |
| MANUFACTURERS CODE | 43999 |
| DESIGN CONTROL REFERENCE | 4B21S3-420 |
Restrictions/Controls & Freight Information | NSN 3120-00-693-6719
| 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: | U | Precious metal type is unknown |
| 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 |
|---|---|---|
| No Freight Information | ||