The Coupling,pipe, cataloged under National Stock Number 4730-01-640-7622, 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 7 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 | 4730-01-640-7622 |
| Primary Part Number | 1404-04-04-SS |
| 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 ALL ENDS IN |
| Connection Style | INVERTED FLARE (PIPE) FIRST END |
| Connection Style | INVERTED FLARE (PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Style Designator | THREADED EXTERNAL RIGID, THREADED INTERNAL SWIVEL |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| ADP-0004SS | Bauer Compressors, Inc. (USA) |
| 1404-04-04-SS PRIMARY | Brennan Industries (USA) |
NSN 4730-01-640-7622 is a Coupling,pipe, manufactured by Brennan Industries, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-640-7622 has 2 manufacturer part numbers on file: ADP-0004SS (Bauer Compressors, Inc.), 1404-04-04-SS (Brennan Industries).
Key specifications for 1404-04-04-SS: Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN; Connection Style: INVERTED FLARE (PIPE) FIRST END; Connection Style: INVERTED FLARE (PIPE) SECOND END; Connection Type: THREADED INTERNAL PIPE SECOND END. 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.