The Bushing,sleeve, cataloged under National Stock Number 3120-01-183-9537, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is The Boeing Company. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-183-9537 |
| Primary Part Number | HS610SP3750-251T509 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.3750 INCHES NOMINAL IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.2510 INCHES NOMINAL 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 |
|---|---|
| HS610SP3750-251-T509 | Pac Zonamatic Inc (USA) |
| HS610SP3750-251T509 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| HS610SP3750-251T509 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 3120-01-183-9537 is a Bushing,sleeve, manufactured by The Boeing Company, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-183-9537 has 2 manufacturer part numbers on file: HS610SP3750-251-T509 (Pac Zonamatic Inc), HS610SP3750-251T509 (The Boeing Company).
Key specifications for HS610SP3750-251T509: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.3750 INCHES NOMINAL IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.5090 INCHES NOMINAL IN. 5 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.