The Coupling,hose, cataloged under National Stock Number 4730-01-423-8771, 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 Sae International Dba Sae International. Government technical data includes 8 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-423-8771 |
| Primary Part Number | AS3840401IIB |
| Item Name | Coupling,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT, GASKET SEAL (HOSE) ALL ENDS |
| Connection Type | THREADED INTERNAL HOSE ALL ENDS |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 1.500 INCHES ALL ENDS IN |
| Specification/standard Data | 81349-MIL-C-38404 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 1 TABLE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPSH ALL ENDS |
| 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 |
|---|---|
| AS3840401IIB PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MIL-C-38404 | 5/9 Secondary reference U.S. Government activity |
| AS3840401IIB | 5/9 Secondary reference U.S. Government activity |
| AS38404 | 5/9 Secondary reference Sae International Dba Sae International |
| SAE-AS38404 | 3/1 Design control — primary reference Sae International Dba Sae International |
| M38404-1-II-B | 5/9 Secondary reference U.S. Government activity |
| M38404-1-2-B | 5/9 Secondary reference U.S. Government activity |
| AS38404 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-423-8771 is a Coupling,hose, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-423-8771 has 1 manufacturer part number on file: AS3840401IIB (Sae International Dba Sae International).
Key specifications for AS3840401IIB: Connection Style: SWIVEL NUT, GASKET SEAL (HOSE) ALL ENDS; Connection Type: THREADED INTERNAL HOSE ALL ENDS; Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Thread Size: 1.500 INCHES ALL ENDS IN. 8 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.