The Tailpiece,union, cataloged under National Stock Number 4730-01-061-7763, 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 Eaton Corporation Dba Eaton Inoac Div Eaton. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-061-7763 |
| Primary Part Number | B-34122-8 |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Corporation Dba Eaton Inoac Div Eaton |
| Status | ACTIVE |
| Union Outside Diameter | 5.500 INCHES NOMINAL IN |
| End Connection Type | BRAZED |
| Seat Type | STRAIGHT FACE |
| Tubing Outside Diameter | 1.875 INCHES NOMINAL IN |
| Material | COPPER ALLOY 715 |
| 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 |
|---|---|
| C-34216PC8B | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| B-34122-8 PRIMARY | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| Reference | Meaning |
|---|---|
| 2620-908X6PC45 | 5/9 Secondary reference U.S. Government activity |
| 2620-908X6PC45 | 5/9 Secondary reference U.S. Government activity |
| C-34216 | D/9 Drawing number reference only Eaton Corporation Dba Eaton Inoac Div Eaton |
| 2110232PC45 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-061-7763 is a Tailpiece,union, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-061-7763 has 2 manufacturer part numbers on file: C-34216PC8B (Eaton Corporation Dba Eaton Inoac Div Eaton), B-34122-8 (Eaton Corporation Dba Eaton Inoac Div Eaton).
Key specifications for B-34122-8: Union Outside Diameter: 5.500 INCHES NOMINAL IN; End Connection Type: BRAZED; Overall Length: 6.812 INCHES NOMINAL IN; Seat Type: STRAIGHT FACE. 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.