The Tailpiece,union, cataloged under National Stock Number 4730-01-150-5444, 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 Western Enterprises Div of Scott and Fetzer Co. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-150-5444 |
| Primary Part Number | 63 |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Western Enterprises Div of Scott and Fetzer Co |
| Status | ACTIVE |
| End Connection Type | THREADED |
| Seat Type | RECESSED FACE |
| Thread Direction | RIGHT-HAND |
| Seat Radius | 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN |
| Thread Size | 1/4-18 |
| Screw Thread Series Designator | NPT |
| Screw Thread Location | EXTERNAL |
| Material | COPPER ALLOY 360 |
| 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 |
|---|---|
| 63 PRIMARY | Western Enterprises Div of Scott and Fetzer Co (USA) |
| Reference | Meaning |
|---|---|
| CGA540-63 | 5/9 Secondary reference Western Enterprises Div of Scott and Fetzer Co |
| 1551AS598-3 | C/1 Advisory reference — outside the item-of-supply concept Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4730-01-150-5444 is a Tailpiece,union, manufactured by Western Enterprises Div of Scott and Fetzer Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-150-5444 has 1 manufacturer part number on file: 63 (Western Enterprises Div of Scott and Fetzer Co).
Key specifications for 63: End Connection Type: THREADED; Overall Length: 2.062 INCHES NOMINAL IN; Seat Type: RECESSED FACE; Thread Direction: RIGHT-HAND. 8 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.