The Bushing,sleeve, cataloged under National Stock Number 3120-01-461-1124, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Mayday Manufacturing Co.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-461-1124 |
| Primary Part Number | ST4M219-05037 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Mayday Manufacturing Co. |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| Body Outside Diameter | 0.4650 INCHES MINIMUM AND 0.4660 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | ASTM B196 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | COPPER ALLOY 173 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 |
|---|---|
| ST4M219-05037 PRIMARY | Mayday Manufacturing Co. (USA) |
| ST4M219-05037 PRIMARY | All Power Manufacturing Co. (USA) |
| Reference | Meaning |
|---|---|
| ST4M219-05037 | 5/9 Secondary reference Avalon Machine Products Inc |
| ST4M219-05037 | 5/2 Secondary reference U.S. Government activity |
NSN 3120-01-461-1124 is a Bushing,sleeve, manufactured by Mayday Manufacturing Co., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-461-1124 has 2 manufacturer part numbers on file: ST4M219-05037 (Mayday Manufacturing Co.), ST4M219-05037 (All Power Manufacturing Co.).
Key specifications for ST4M219-05037: Corner Shape: SQUARE ALL CORNERS; Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL; Body Outside Diameter: 0.4650 INCHES MINIMUM AND 0.4660 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 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.