The Bushing,sleeve, cataloged under National Stock Number 3120-01-421-4581, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Textron Aviation Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-421-4581 |
| Primary Part Number | 105739-S-YP1483 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.4950 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | -160 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.3750 INCHES MINIMUM AND 0.3780 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 |
|---|---|
| 105739-S-YP1483 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 105739-S-YP1483 | 3/9 Design control — primary reference Beechcraft Corporation Dba Textron Aviation |
NSN 3120-01-421-4581 is a Bushing,sleeve, manufactured by Textron Aviation Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-421-4581 has 1 manufacturer part number on file: 105739-S-YP1483 (Textron Aviation Inc).
Key specifications for 105739-S-YP1483: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.4950 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: -160 MFR REF 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.