The Coupling,hose, cataloged under National Stock Number 4730-01-523-6579, 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 Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-523-6579 |
| Primary Part Number | 7390-6-10 |
| Item Name | Coupling,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Connection Style | BARBED OR BEADED (HOSE) ALL ENDS |
| Connection Type | UNTHREADED EXTERNAL HOSE ALL ENDS |
| Material Document and Classification | ASTMD-1784 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL |
| 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 |
|---|---|
| 7595-ITEM NO 9 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 7351-ITEM NO 12 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 7390C-6-10 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 7390-6-10 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 7595 | D/9 Drawing number reference only Howell Laboratories Inc Dba Howell Laboratories Inc |
NSN 4730-01-523-6579 is a Coupling,hose, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-523-6579 has 4 manufacturer part numbers on file: 7595-ITEM NO 9 (Howell Laboratories Inc Dba Howell Laboratories Inc), 7351-ITEM NO 12 (Howell Laboratories Inc Dba Howell Laboratories Inc), 7390C-6-10 (Howell Laboratories Inc Dba Howell Laboratories Inc), 7390-6-10 (Howell Laboratories Inc Dba Howell Laboratories Inc).
Key specifications for 7390-6-10: Connection Style: BARBED OR BEADED (HOSE) ALL ENDS; Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS; Material Document and Classification: ASTMD-1784 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Special Features: 1ST BARBED END O/D IS .375 - 2ND BARBED END O/D IS .625. 4 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.