The Tailpiece,union, cataloged under National Stock Number 4730-01-191-9579, 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 Portland Valve Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-191-9579 |
| Primary Part Number | 045-0324-17 |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Portland Valve Llc |
| Status | ACTIVE |
| Flange Thickness | 0.250 INCHES NOMINAL IN |
| End Connection Type | WELDED |
| Seat Type | GASKET |
| Tubing Outside Diameter | 1.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY 715 |
| Flange Outside Diameter | 1.002 INCHES NOMINAL IN |
| Working Pressure and Service Type | 4500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL GAS AND 4500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL OIL AND 4500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL WATER LBS |
| 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 |
|---|---|
| 045-0324-17 PRIMARY | Portland Valve Llc (USA) |
| E2109 PIECE 47 | Portland Valve Llc (USA) |
| Reference | Meaning |
|---|---|
| E2109 | D/9 Drawing number reference only Portland Valve Llc |
NSN 4730-01-191-9579 is a Tailpiece,union, manufactured by Portland Valve Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-191-9579 has 2 manufacturer part numbers on file: 045-0324-17 (Portland Valve Llc), E2109 PIECE 47 (Portland Valve Llc).
Key specifications for 045-0324-17: Flange Thickness: 0.250 INCHES NOMINAL IN; End Connection Type: WELDED; Overall Length: 2.625 INCHES NOMINAL IN; Seat Type: GASKET. 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.