The Nut,hose Coupling, cataloged under National Stock Number 4730-00-951-8437, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-951-8437 |
| Item Name | Nut,hose Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Largest Outside Diameter | 0.563 INCHES NOMINAL IN |
| Thread Series | UNS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.234 INCHES IN |
| Nut Height | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Hose Nominal Size | 0.125 INCHES IN |
| Nut Style | HOSE COUPLING |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY OVERALL |
| Smallest Inside Diameter | 0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MS24590-3AA | 2/2 Government specification standardization U.S. Government activity |
| MIL-DTL-5070 | 4/1 Identification reference U.S. Government activity |
| MS24590-3 | 5/9 Secondary reference U.S. Government activity |
| 210-3D | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
NSN 4730-00-951-8437 is a Nut,hose Coupling, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-951-8437: Largest Outside Diameter: 0.563 INCHES NOMINAL IN; Thread Series: UNS; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.234 INCHES IN. 12 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.