The Nut,tube Coupling, cataloged under National Stock Number 4730-01-480-9061, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-480-9061 |
| Primary Part Number | 9HB999 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Thread Series | UNEF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.437 MILLIMETERS MM |
| Nut Height | 1.290 INCHES NOMINAL IN |
| Nut Style | TUBE COUPLING |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Material | PLASTIC OVERALL |
| Smallest Inside Diameter | 0.983 INCHES NOMINAL IN |
| 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 |
|---|---|
| WTA10-24-01 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 9HB999 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 9HB999 | 3/9 Design control — primary reference Oshkosh Corp |
NSN 4730-01-480-9061 is a Nut,tube Coupling, manufactured by Oshkosh Defense Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-480-9061 has 2 manufacturer part numbers on file: WTA10-24-01 (Allison Transmission Inc Dba Allison Transmission, Inc), 9HB999 (Oshkosh Defense Llc).
Key specifications for 9HB999: Thread Series: UNEF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.437 MILLIMETERS MM; Nut Height: 1.290 INCHES NOMINAL IN. 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.