The Bushing,pipe, cataloged under National Stock Number 4730-01-498-5050, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-498-5050 |
| Primary Part Number | 3518645 |
| Item Name | Bushing,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Internal Screw Thread Series Designator | NPT |
| Internal Thread Direction | RIGHT-HAND |
| Style Designator | OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL) |
| External Screw Thread Series Designator | NPT |
| External Thread Size | 0.750 INCH IN |
| Surface Treatment | PASSIVATE |
| Internal Thread Size | 0.500 INCH IN |
| Material | STEEL CORROSION RESISTING |
| External Thread Direction | RIGHT-HAND |
| 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 |
|---|---|
| 3518645 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 057-290001 | 5/9 Secondary reference Oshkosh Corp |
| 3518645 | 5/9 Secondary reference Oshkosh Corp |
NSN 4730-01-498-5050 is a Bushing,pipe, manufactured by Oshkosh Defense Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-498-5050 has 1 manufacturer part number on file: 3518645 (Oshkosh Defense Llc).
Key specifications for 3518645: Internal Screw Thread Series Designator: NPT; Internal Thread Direction: RIGHT-HAND; Style Designator: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL); External Screw Thread Series Designator: NPT. 9 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.