The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-334-2448, 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 Swagelok Co. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Gardner Denver Limited (CAGE KC8U1); Swagelok Co (CAGE 3T9T9) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-334-2448 |
| Primary Part Number | B-QC6-D-600-VT |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 36181 | Gardner Denver Limited (GBR) |
| Y36181 | Gardner Denver Limited (GBR) |
| B-QC6-D-600-VT PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| Y36181 | 5/9 Secondary reference Hamworthy Belliss & Morcom Ltd |
| 36181 | 5/9 Secondary reference Hamworthy Belliss & Morcom Ltd |
NSN 4730-01-334-2448 is a Coupling Half,quick Disconnect, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-334-2448 has 3 manufacturer part numbers on file: 36181 (Gardner Denver Limited), Y36181 (Gardner Denver Limited), B-QC6-D-600-VT (Swagelok Co).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-507-5348, 4320-01-669-3147. Verify interchangeability with system specifications before substitution.
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.