The Bearing,sleeve, cataloged under National Stock Number 3120-01-579-4271, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Bae Systems Land & Armaments L.p.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 — Bearings, Plain, Unmounted (FSG 31) |
| Manufacturers | Bae Systems Land & Armaments L.p. (CAGE 54786); Amz Alabama Inc. (CAGE 076M6) |
| Parameter | Value |
|---|---|
| NSN | 3120-01-579-4271 |
| Primary Part Number | 6438489-01M1 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| 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 |
|---|---|
| 6438489-01M1 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| 6438489-01M1 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6438489 | D/9 Drawing number reference only Bae Systems Survivability Systems Llc |
| 6438489-01M1 | 3/9 Design control — primary reference Bae Systems Survivability Systems Llc |
NSN 3120-01-579-4271 is a Bearing,sleeve, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-579-4271 has 2 manufacturer part numbers on file: 6438489-01M1 (Bae Systems Land & Armaments L.p.), 6438489-01M1 (Amz Alabama Inc.).
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.