The Bushing,sleeve, cataloged under National Stock Number 3120-01-718-0845, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-718-0845 |
| Primary Part Number | ST4M219-09008 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.7697 INCHES MINIMUM AND 0.7702 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | AMS4533 OR AMS4535 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.5813 INCHES MINIMUM AND 0.5823 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 172 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 |
|---|---|
| ST4M219-09008 PRIMARY | The Boeing Company Div Defense (USA) |
| ST4M219-09008 | Mayday Manufacturing Co. (USA) |
| ST4M219-09008 | All Power Manufacturing Co. (USA) |
| Reference | Meaning |
|---|---|
| ST4M219 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 3120-01-718-0845 is a Bushing,sleeve, manufactured by The Boeing Company Div Defense, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-718-0845 has 3 manufacturer part numbers on file: ST4M219-09008 (The Boeing Company Div Defense), ST4M219-09008 (Mayday Manufacturing Co.), ST4M219-09008 (All Power Manufacturing Co.).
6 possible matches (shared part number, not a government interchangeability claim): 3120-01-718-0846, 3120-01-718-1474, 3120-01-718-1479. Verify interchangeability with system specifications before substitution.
Key specifications for ST4M219-09008: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.7697 INCHES MINIMUM AND 0.7702 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: AMS4533 OR AMS4535 AEROSPACE MATERIAL SPEC 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.