The Coupling,tube, cataloged under National Stock Number 4730-01-646-0391, 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 Hypertac Limited. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-646-0391 |
| Primary Part Number | HBB050RAAXL000 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hypertac Limited |
| Status | ACTIVE |
| 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 |
|---|---|
| 12509832-002 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| HBB050RAAXL000 PRIMARY | Hypertac Limited (GBR) |
| Reference | Meaning |
|---|---|
| 12509832 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4730-01-646-0391 is a Coupling,tube, manufactured by Hypertac Limited, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-646-0391 has 2 manufacturer part numbers on file: 12509832-002 (U S Army Tank Automotive Command Amsta-Im-Mm), HBB050RAAXL000 (Hypertac Limited).
Key specifications for HBB050RAAXL000: Special Features: HEIGHT: 68.2 MM; LENGTH: 34.6 MM MM; Part Name Assigned by Controlling Agency: QUICK DISCONNECT; End Item Identification: 2320-015527745. 0 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.