The Bushing,sleeve, cataloged under National Stock Number 3120-01-441-0637, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-441-0637 |
| Primary Part Number | S2431215-4-010 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Anillo Industries Llc |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Flange Outside Diameter | 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.3756 INCHES MINIMUM AND 0.3761 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 0.2340 INCHES MINIMUM AND 0.2390 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Flange Width | 0.0570 INCHES MINIMUM AND 0.0660 INCHES MAXIMUM IN |
| Material | STEEL COMP 4130 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 |
|---|---|
| S2431215-4-010 PRIMARY | Anillo Industries Llc (USA) |
| S2431215-4-010 PRIMARY | All Power Manufacturing Co. (USA) |
| S2431215-4-010 PRIMARY | Avalon Machine Products Inc (USA) |
| Reference | Meaning |
|---|---|
| S2431215-4-010 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-441-0637 is a Bushing,sleeve, manufactured by Anillo Industries Llc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-441-0637 has 3 manufacturer part numbers on file: S2431215-4-010 (Anillo Industries Llc), S2431215-4-010 (All Power Manufacturing Co.), S2431215-4-010 (Avalon Machine Products Inc).
Key specifications for S2431215-4-010: Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN; Body Outside Diameter: 0.3756 INCHES MINIMUM AND 0.3761 INCHES MAXIMUM IN; Style Designator: SOLID, EXTERNAL FLANGE ONE END. 8 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.