The Coupling Assembly,tube, cataloged under National Stock Number 4730-01-654-4346, 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 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-654-4346 |
| Primary Part Number | VC501-64 |
| Item Name | Coupling Assembly,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| Surface Treatment | ANODIZE BODY |
| Material | ALUMINUM ALLOY BEARING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| VC501-64 PRIMARY | Hydraflow (USA) |
NSN 4730-01-654-4346 is a Coupling Assembly,tube, manufactured by Hydraflow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-654-4346 has 1 manufacturer part number on file: VC501-64 (Hydraflow).
Key specifications for VC501-64: Special Features: COLOR: BLACK; OVERALL LENGTH: 2.66 INCHES; OVERALL DIAMETER: 4.90 INCHES; BODY STYLE: COUPLING BODY,TUBE;COLOR: BLACK; OVERALL LENGTH: 2.66 INCHES; OVERALL DIAMETER: 4.90 INCHES; BODY STYLE: COUPLING BODY,TUBE; IN; Surface Treatment: ANODIZE BODY; Part Name Assigned by Controlling Agency: COUPLING ASSEMBLYCOUPLING ASSEMBLY; End Item Identification: B-1 BOMBER AIRCRAFTB-1 BOMBER AIRCRAFT. 2 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.
NSN 4730-01-654-4346 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.