The Bearing,sleeve, cataloged under National Stock Number 3120-01-508-7803, 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 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-508-7803 |
| Primary Part Number | KNRJ40-V-048-2 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Kamatics Corporation |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 2.8765 INCHES MINIMUM AND 2.8775 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | 17-4PH STAINLESS MFR REF ALL MATERIAL RESPONSES OVERALL |
| Body Inside Diameter | 2.5050 INCHES MINIMUM AND 2.5060 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 596-7410574-7 | Naval Sea Systems Command (USA) |
| KNRJ40-V-048-2 PRIMARY | Kamatics Corporation (USA) |
| Reference | Meaning |
|---|---|
| B831-8120-7 | 5/2 Secondary reference U.S. Government activity |
NSN 3120-01-508-7803 is a Bearing,sleeve, manufactured by Kamatics Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-508-7803 has 2 manufacturer part numbers on file: 596-7410574-7 (Naval Sea Systems Command), KNRJ40-V-048-2 (Kamatics Corporation).
Key specifications for KNRJ40-V-048-2: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 2.8765 INCHES MINIMUM AND 2.8775 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: 17-4PH STAINLESS MFR REF ALL MATERIAL RESPONSES OVERALL. 6 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.