The Nut,hose Coupling, cataloged under National Stock Number 4730-00-401-3144, 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 Hydrasearch Company, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-401-3144 |
| Primary Part Number | 136-900-3D |
| Item Name | Nut,hose Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Largest Outside Diameter | 0.625 INCHES NOMINAL IN |
| Thread Series | UNF |
| Material Document and Classification | AMS 4117 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Height | 0.790 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Hose Nominal Size | 0.188 INCHES IN |
| Nut Style | HOSE COUPLING |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Smallest Inside Diameter | 0.500 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 |
|---|---|
| 136-900-3D PRIMARY | Hydrasearch Company, Llc (USA) |
| 136-900-3D | Precision Form Rivet Inc (USA) |
| 516-3D PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 136-900-3D | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
NSN 4730-00-401-3144 is a Nut,hose Coupling, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-401-3144 has 3 manufacturer part numbers on file: 136-900-3D (Hydrasearch Company, Llc), 136-900-3D (Precision Form Rivet Inc), 516-3D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for 136-900-3D: Largest Outside Diameter: 0.625 INCHES NOMINAL IN; Thread Series: UNF; Material Document and Classification: AMS 4117 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 13 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.