The Adapter,straight,pipe to Gas Fit, cataloged under National Stock Number 4730-01-626-6566, 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 Royal Brass, Inc. Dba Royal Brass & Hose. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-626-6566 |
| Primary Part Number | 6MJ-BLKHD-UN |
| Item Name | Adapter,straight,pipe to Gas Fit |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Royal Brass, Inc. Dba Royal Brass & Hose |
| Status | ACTIVE |
| Flange Shape | ROUND ALL ENDS |
| Connection Style | FLARED (GAS FITTING) ALL ENDS |
| Connection Type | THREADED EXTERNAL GAS FITTING ALL ENDS |
| Style Designator | FLARED W/ BULKHEAD THREAD |
| Nominal Thread Size | 0.5625 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Thread Quantity Per Inch | 18 ALL ENDS |
| 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 |
|---|---|
| 6MJ-BLKHD-UN PRIMARY | Royal Brass, Inc. Dba Royal Brass & Hose (USA) |
| U0310480 | Jige International (FRA) |
| Y00014996 | Soframe (FRA) |
| 0310480 | Miller Industries Towing Equipment Inc (USA) |
NSN 4730-01-626-6566 is a Adapter,straight,pipe to Gas Fit, manufactured by Royal Brass, Inc. Dba Royal Brass & Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-626-6566 has 4 manufacturer part numbers on file: 6MJ-BLKHD-UN (Royal Brass, Inc. Dba Royal Brass & Hose), U0310480 (Jige International), Y00014996 (Soframe), 0310480 (Miller Industries Towing Equipment Inc).
Key specifications for 6MJ-BLKHD-UN: Flange Shape: ROUND ALL ENDS; Connection Style: FLARED (GAS FITTING) ALL ENDS; Connection Type: THREADED EXTERNAL GAS FITTING ALL ENDS; Style Designator: FLARED W/ BULKHEAD THREAD. 7 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.