The Tailpiece,union, cataloged under National Stock Number 4730-01-191-8688, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-191-8688 |
| Primary Part Number | 045-0211-14 |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Portland Valve Llc |
| Status | ACTIVE |
| Nominal Pipe Size Designation | 0.750 INCHES IN |
| End Connection Type | BRAZED |
| Seat Type | GASKET |
| Precious Material and Location | BRAZED END SILVER |
| Material | COPPER ALLOY 903 |
| 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 |
|---|---|
| 045-0211-14 PRIMARY | Portland Valve Llc (USA) |
| Reference | Meaning |
|---|---|
| E-2109 | D/9 Drawing number reference only Portland Valve Llc |
NSN 4730-01-191-8688 is a Tailpiece,union, manufactured by Portland Valve Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-191-8688 has 1 manufacturer part number on file: 045-0211-14 (Portland Valve Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-191-9579. Verify interchangeability with system specifications before substitution.
Key specifications for 045-0211-14: Nominal Pipe Size Designation: 0.750 INCHES IN; End Connection Type: BRAZED; Seat Type: GASKET; Precious Material and Location: BRAZED END SILVER. 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.