The Bearing,sleeve, cataloged under National Stock Number 3120-01-449-9451, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-449-9451 |
| Primary Part Number | 211079797 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Flange Outside Diameter | 3.4900 INCHES NOMINAL IN |
| Body Outside Diameter | 3.2580 INCHES MINIMUM AND 3.2600 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 2.7570 INCHES MINIMUM AND 2.7590 INCHES MAXIMUM IN |
| Flange Width | 0.2500 INCHES NOMINAL IN |
| Material | ALUMINUM OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 751-6408594 FIND 9 | Naval Sea Systems Command (USA) |
| 211079797 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3120-01-449-9451 is a Bearing,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-449-9451 has 2 manufacturer part numbers on file: 751-6408594 FIND 9 (Naval Sea Systems Command), 211079797 (Naval Sea Systems Command).
Key specifications for 211079797: Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 3.4900 INCHES NOMINAL IN; Body Outside Diameter: 3.2580 INCHES MINIMUM AND 3.2600 INCHES MAXIMUM IN; Style Designator: SOLID, EXTERNAL FLANGE ONE END. 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.
NSN 3120-01-449-9451 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.