The Bushing,sleeve, cataloged under National Stock Number 3120-01-418-4584, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is All Power Manufacturing Co.. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-418-4584 |
| Primary Part Number | 4D0138N4-048 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | All Power Manufacturing Co. |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| 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 |
|---|---|
| 4D0138N4-048 PRIMARY | All Power Manufacturing Co. (USA) |
| 4D0138N4-048 PRIMARY | Anillo Industries Llc (USA) |
| 4D0138N4-048 PRIMARY | Avalon Machine Products Inc (USA) |
| Reference | Meaning |
|---|---|
| S4922799-4-048 | 5/9 Secondary reference Avalon Machine Products Inc |
| S4922799-4-048 | 5/9 Secondary reference All Power Manufacturing Co. |
| 4D0138N4-048 | 5/2 Secondary reference U.S. Government activity |
NSN 3120-01-418-4584 is a Bushing,sleeve, manufactured by All Power Manufacturing Co., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-418-4584 has 3 manufacturer part numbers on file: 4D0138N4-048 (All Power Manufacturing Co.), 4D0138N4-048 (Anillo Industries Llc), 4D0138N4-048 (Avalon Machine Products Inc).
Key specifications for 4D0138N4-048: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN. 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.