The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-418-4786, 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. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-418-4786 |
| Primary Part Number | B-QC8-D-8HC |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES ALL ENDS IN |
| Material | COPPER 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 |
|---|---|
| B-QC8-D-8HC | South London Valve & Fitting Company Ltd T/a Swagelok London (GBR) |
| B-QC8-D-8HC PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| B-QC8-D-8HC | 5/9 Secondary reference Swagelok Quick-Connect Co |
NSN 4730-01-418-4786 is a Coupling Half,quick Disconnect, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-418-4786 has 2 manufacturer part numbers on file: B-QC8-D-8HC (South London Valve & Fitting Company Ltd T/a Swagelok London), B-QC8-D-8HC (Swagelok Co).
Key specifications for B-QC8-D-8HC: Overall Length: 3.600 INCHES NOMINAL IN; Nominal Outside Diameter Tube Accommodated: 0.500 INCHES ALL ENDS IN; Material: COPPER ALLOY BODY. 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.
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.