The Bushing,sleeve, cataloged under National Stock Number 3120-01-446-7958, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Anillo Industries Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-446-7958 |
| Primary Part Number | 4D0138N4C021 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Anillo Industries Llc |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.3120 INCHES MINIMUM AND 0.3225 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.2495 INCHES MINIMUM AND 0.2505 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 |
|---|---|
| 4D0138N4C021 PRIMARY | Anillo Industries Llc (USA) |
| 4D0138N4C021 PRIMARY | All Power Manufacturing Co. (USA) |
| 4D0138N4C021 PRIMARY | Avalon Machine Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 4D0138N4C021 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-446-7958 is a Bushing,sleeve, manufactured by Anillo Industries Llc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-446-7958 has 3 manufacturer part numbers on file: 4D0138N4C021 (Anillo Industries Llc), 4D0138N4C021 (All Power Manufacturing Co.), 4D0138N4C021 (Avalon Machine Products Inc).
Key specifications for 4D0138N4C021: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.3120 INCHES MINIMUM AND 0.3225 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: AMS 5643 ASSN STD 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.