The Coupling Assembly,self-Sealing, cataloged under National Stock Number 4730-01-385-7090, 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 Hydraflow. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-385-7090 |
| Primary Part Number | VC546-48AE |
| Item Name | Coupling Assembly,self-Sealing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 TYPE II, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| Style Designator | COUPLING ASSEMBLY, THREADED INTERNAL |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | SAFETY LOCKING FEATURE AND SELF-SEALING |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | ANODIZE BODY |
| Material | ALUMINUM ALLOY BODY |
| 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 |
|---|---|
| VC546-48AE PRIMARY | Hydraflow (USA) |
| 07A320-48D | Transdigm Inc Div Adelwiggins Group (USA) |
| Reference | Meaning |
|---|---|
| 07A320 | D/9 Drawing number reference only Transdigm Inc Div Adelwiggins Group |
NSN 4730-01-385-7090 is a Coupling Assembly,self-Sealing, manufactured by Hydraflow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-385-7090 has 2 manufacturer part numbers on file: VC546-48AE (Hydraflow), 07A320-48D (Transdigm Inc Div Adelwiggins Group).
Key specifications for VC546-48AE: Surface Treatment Document and Classification: MIL-A-8625 TYPE II, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Style Designator: COUPLING ASSEMBLY, THREADED INTERNAL; Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY; Overall Length: 2.000 INCHES NOMINAL 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.