The Coupling,pipe, cataloged under National Stock Number 4730-01-481-7809, 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 O'keefe Controls Co.. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-481-7809 |
| Primary Part Number | G-12-BR |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | O'keefe Controls Co. |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 1.250 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Style Designator | RIGID, THREADED INTERNAL AND EXTERNAL |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.125 INCHES FIRST END IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT FIRST 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 |
|---|---|
| 863-000693 | Guild Associates Inc (USA) |
| G-12-BR PRIMARY | O'keefe Controls Co. (USA) |
| Reference | Meaning |
|---|---|
| G-12-BR | 5/9 Secondary reference Guild Associates Inc |
NSN 4730-01-481-7809 is a Coupling,pipe, manufactured by O'keefe Controls Co., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-481-7809 has 2 manufacturer part numbers on file: 863-000693 (Guild Associates Inc), G-12-BR (O'keefe Controls Co.).
Key specifications for G-12-BR: Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 1.250 INCHES IN; Connection Type: THREADED INTERNAL PIPE FIRST END. 11 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.