The Bushing,sleeve, cataloged under National Stock Number 3120-01-412-8737, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Avalon Machine Products Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-412-8737 |
| Primary Part Number | 4D0138N6-020 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Avalon Machine Products Inc |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.4839 INCHES MINIMUM AND 0.4844 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN |
| Material | STEEL COMP 630 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 |
|---|---|
| 4D0138N6-020 | Avalon Machine Products Inc (USA) |
| 4D0138N6-020 | Anillo Industries Llc (USA) |
| 4D0138N6-020 | All Power Manufacturing Co. (USA) |
| Reference | Meaning |
|---|---|
| 4D0138N6-020 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-412-8737 is a Bushing,sleeve, manufactured by Avalon Machine Products Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-412-8737 has 3 manufacturer part numbers on file: 4D0138N6-020 (Avalon Machine Products Inc), 4D0138N6-020 (Anillo Industries Llc), 4D0138N6-020 (All Power Manufacturing Co.).
Key specifications for 4D0138N6-020: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.4839 INCHES MINIMUM AND 0.4844 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.3075 INCHES MINIMUM AND 0.3175 INCHES MAXIMUM IN. 5 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.