The Bearing,sleeve, cataloged under National Stock Number 3120-01-220-7983, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Kamatics Corporation. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-220-7983 |
| Primary Part Number | KRJ28-UDSV-032 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Kamatics Corporation |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | UNDERCUT LEFT FLANGE BODY CORNER |
| Flange Outside Diameter | 2.4800 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN |
| Body Outside Diameter | 2.0018 INCHES MINIMUM AND 2.0023 INCHES MAXIMUM IN |
| Hardness Rating | 27.0 ROCKWELL C NOMINAL OUTER LAYER |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER |
| Material Document and Classification | KARON,FSCM 50632 MFR REF SINGLE MATERIAL RESPONSE INNER LAYER |
| Body Inside Diameter | 1.7505 INCHES MINIMUM AND 1.7515 INCHES MAXIMUM IN |
| Surface Treatment | PLASTIC POLYTETRAFLUOROETHYLENE LEFT END SURFACE OF BODY AND FLANGE |
| Flange Width | 0.0887 INCHES MINIMUM AND 0.0937 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER |
| Material | STEEL COMP 630 OUTER LAYER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| KRJ28-UDSV-032 PRIMARY | Kamatics Corporation (USA) |
NSN 3120-01-220-7983 is a Bearing,sleeve, manufactured by Kamatics Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-220-7983 has 1 manufacturer part number on file: KRJ28-UDSV-032 (Kamatics Corporation).
Key specifications for KRJ28-UDSV-032: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.