The Tailpiece,union, cataloged under National Stock Number 4730-01-334-1203, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-334-1203 |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Union Outside Diameter | 1.000 INCHES NOMINAL IN |
| Nominal Pipe Size Designation | 0.500 INCHES IN |
| End Connection Type | WELDED |
| Seat Type | GASKET |
| Material | COPPER ALLOY 715 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 845-4775990 PIECE 70 | 5/2 Secondary reference U.S. Government activity |
| 2621-791-05 PIECE 70 | 3/2 Design control — primary reference U.S. Government activity |
| 2621-791-05 | D/9 Drawing number reference only U.S. Government activity |
| 845-4775990 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-334-1203 is a Tailpiece,union, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-334-1203: Union Outside Diameter: 1.000 INCHES NOMINAL IN; Nominal Pipe Size Designation: 0.500 INCHES IN; End Connection Type: WELDED; Overall Length: 1.120 INCHES NOMINAL IN. 5 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.