The Tailpiece,union, cataloged under National Stock Number 4730-01-378-3097, 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 8 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-378-3097 |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Union Outside Diameter | 2.710 INCHES NOMINAL IN |
| Nominal Pipe Size Designation | 1.500 INCHES IN |
| End Connection Type | BRAZED |
| Seat Type | STRAIGHT FACE |
| Specification/standard Data | 81349-MIL-F-24227 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 14 FIGURE |
| Material | COPPER ALLOY 922 |
| Working Pressure and Service Type | 400.0 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 |
|---|---|
| C14537.005.130 | 5/1 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| SW106-26 | 5/1 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| SW106-26 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| MIL-F-24227 | 4/1 Identification reference U.S. Government activity |
| MIL-F-24227 FIG14 1-1/2IN | 2/2 Government specification standardization U.S. Government activity |
| C14537.005.130 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4730-01-378-3097 is a Tailpiece,union, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
8 possible matches (shared part number, not a government interchangeability claim): 4730-01-378-3127, 4730-01-437-2541, 4730-01-564-6214. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-378-3097: Union Outside Diameter: 2.710 INCHES NOMINAL IN; Nominal Pipe Size Designation: 1.500 INCHES IN; End Connection Type: BRAZED; Overall Length: 2.243 INCHES NOMINAL IN. 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.