The Tailpiece,union, cataloged under National Stock Number 4730-00-142-2906, 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 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-142-2906 |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Union Outside Diameter | 2.484 INCHES NOMINAL IN |
| Precious Material and Weight | 0.0362 SILVER OUNCES, TROY |
| Seat Type | RECESSED FACE |
| Tubing Outside Diameter | 1.660 INCHES NOMINAL IN |
| Precious Material and Location | END CONNECTION SILVER |
| Material | COPPER ALLOY 922 |
| Working Pressure and Service Type | 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL GAS AND 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL OXYGEN AND 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL OIL AND 3000.0 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 |
| Reference | Meaning |
|---|---|
| 5000S4823-841337PC2-14 | 3/2 Design control — primary reference U.S. Government activity |
| 5000S4823F841337PC2 | 3/2 Design control — primary reference U.S. Government activity |
| 5000S4823-841337F2AND14 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-142-2906 is a Tailpiece,union, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-142-2906: Union Outside Diameter: 2.484 INCHES NOMINAL IN; Precious Material and Weight: 0.0362 SILVER OUNCES, TROY; Overall Length: 1.406 INCHES NOMINAL IN; Seat Type: RECESSED FACE. 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.