The Union,pipe, cataloged under National Stock Number 4730-01-344-5646, 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 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-344-5646 |
| Primary Part Number | 12592439 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Connection Style | INVERTED FLARE (TUBE) FIRST END |
| Connection Style | PLAIN (TUBE) SECOND END |
| Nominal Overall Length | 1.220 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Style Designator | THREADED |
| Nominal Outside Diameter Tube Accommodated | 0.3372 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.3372 INCHES SECOND END IN |
| Seat Type | GASKET |
| Nominal Thread Size | 0.3601 INCHES FIRST END IN |
| Nominal Thread Size | 0.3601 INCHES SECOND END IN |
| Seat Angle | 90.0 DEGREES FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | ACME G FIRST END |
| Thread Series Designator | ACME G 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 |
|---|---|
| 12592439 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 4730-01-344-5646 is a Union,pipe, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-344-5646 has 1 manufacturer part number on file: 12592439 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12592439: Connection Style: INVERTED FLARE (TUBE) FIRST END; Connection Style: PLAIN (TUBE) SECOND END; Nominal Overall Length: 1.220 INCHES IN; Connection Type: THREADED EXTERNAL TUBE FIRST END. 15 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.