The Tailpiece,union, cataloged under National Stock Number 4730-01-532-1791, 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 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-532-1791 |
| Primary Part Number | 12655001103 |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Nominal Pipe Size Designation | 0.250 INCHES IN |
| Flange Thickness | 0.125 INCHES NOMINAL IN |
| End Connection Type | SWEAT SOLDER |
| Material | STEEL CORROSION RESISTING |
| Flange Outside Diameter | 0.965 INCHES NOMINAL IN |
| 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 |
|---|---|
| 12655001103 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20271PC33 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| 212-8180594ITEMF-71A | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-532-1791 is a Tailpiece,union, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-532-1791 has 2 manufacturer part numbers on file: 12655001103 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20271PC33 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for 12655001103: Nominal Pipe Size Designation: 0.250 INCHES IN; Flange Thickness: 0.125 INCHES NOMINAL IN; End Connection Type: SWEAT SOLDER; Overall Length: 0.874 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.