The Union,tube, cataloged under National Stock Number 4730-01-662-9278, 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 General Atomics Div General Atomics Electromagnetic Systems. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-662-9278 |
| Primary Part Number | 34000D1142595 |
| Item Name | Union,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | General Atomics Div General Atomics Electromagnetic Systems |
| Status | ACTIVE |
| Flange Shape | ROUND FIRST END |
| Flow Angle | 180.0 DEGREES |
| Flange Thickness | 0.180 INCHES NOMINAL FIRST END IN |
| Nominal Overall Length | 2.904 INCHES IN |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES SECOND END IN |
| Seat Angle | 45.0 DEGREES FIRST END |
| Nominal Outside Diameter | 1.250 INCHES SECOND END IN |
| Nominal Outside Diameter | 1.975 INCHES FIRST END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 316 OVERALL |
| Nominal Thickness | 0.120 INCHES SECOND END 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 |
|---|---|
| 34000D1142595 PRIMARY | General Atomics Div General Atomics Electromagnetic Systems (USA) |
NSN 4730-01-662-9278 is a Union,tube, manufactured by General Atomics Div General Atomics Electromagnetic Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-662-9278 has 1 manufacturer part number on file: 34000D1142595 (General Atomics Div General Atomics Electromagnetic Systems).
Key specifications for 34000D1142595: Flange Shape: ROUND FIRST END; Flow Angle: 180.0 DEGREES; Flange Thickness: 0.180 INCHES NOMINAL FIRST END IN; Nominal Overall Length: 2.904 INCHES IN. 11 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.