The Coupling,pipe, cataloged under National Stock Number 4730-01-640-7623, 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 Brennan Industries. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-640-7623 |
| Primary Part Number | 7042-04-06 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Brennan Industries |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.250 INCHES FIRST END IN |
| Connection Style | INVERTED FLARE (PIPE) ALL ENDS |
| Nominal Overall Length | 35.5 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Style Designator | RIGID, THREADED INTERNAL AND EXTERNAL |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Thread Quantity Per Inch | 19 SECOND END |
| Thread Quantity Per Inch | 18 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | NPTF FIRST END |
| Thread Series Designator | BSP.PL SECOND END |
| 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 |
|---|---|
| 7042-04-06 PRIMARY | Brennan Industries (USA) |
| ADP-0020SS | Bauer Compressors, Inc. (USA) |
NSN 4730-01-640-7623 is a Coupling,pipe, manufactured by Brennan Industries, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-640-7623 has 2 manufacturer part numbers on file: 7042-04-06 (Brennan Industries), ADP-0020SS (Bauer Compressors, Inc.).
Key specifications for 7042-04-06: Nominal Pipe Size Accommodated: 0.250 INCHES FIRST END IN; Connection Style: INVERTED FLARE (PIPE) ALL ENDS; Nominal Overall Length: 35.5 INCHES IN; Connection Type: THREADED INTERNAL PIPE FIRST END. 13 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.