The Bearing,sleeve, cataloged under National Stock Number 3120-01-630-0803, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-630-0803 |
| Primary Part Number | KNRJ48-UDV-046 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Kamatics Corporation |
| Status | ACTIVE |
| Flange Outside Diameter | 4.0000 INCHES NOMINAL IN |
| Body Outside Diameter | 3.5025 INCHES NOMINAL IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 3.0060 INCHES NOMINAL IN |
| Flange Width | 0.1870 INCHES NOMINAL IN |
| Material | NICKEL ALLOY K-500 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 |
|---|---|
| KNRJ48-UDV-046 PRIMARY | Kamatics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 167-7066802-87 | 3/1 Design control — primary reference Naval Sea Systems Command |
| H547-1902-87 | 5/1 Secondary reference U.S. Government activity |
NSN 3120-01-630-0803 is a Bearing,sleeve, manufactured by Kamatics Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-630-0803 has 1 manufacturer part number on file: KNRJ48-UDV-046 (Kamatics Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-643-8326. Verify interchangeability with system specifications before substitution.
Key specifications for KNRJ48-UDV-046: Flange Outside Diameter: 4.0000 INCHES NOMINAL IN; Body Outside Diameter: 3.5025 INCHES NOMINAL IN; Style Designator: SOLID, EXTERNAL FLANGE ONE END; Material Document and Classification: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 7 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.