The Bushing,sleeve, cataloged under National Stock Number 3120-01-421-7906, 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 6 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 | 3120-01-421-7906 |
| Primary Part Number | 903-5912047PC40 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 4.4950 INCHES MINIMUM AND 4.5030 INCHES MAXIMUM IN |
| Style Designator | SPLIT, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | MIL-S-23284 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 4.2550 INCHES MINIMUM AND 4.2580 INCHES MAXIMUM IN |
| Material | STEEL 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 |
|---|---|
| 903-5912047PC40 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3120-01-421-7906 is a Bushing,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-421-7906 has 1 manufacturer part number on file: 903-5912047PC40 (Naval Sea Systems Command).
Key specifications for 903-5912047PC40: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 4.4950 INCHES MINIMUM AND 4.5030 INCHES MAXIMUM IN; Style Designator: SPLIT, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: MIL-S-23284 MIL SPEC SINGLE MATERIAL RESPONSE 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.