The Union,tube, cataloged under National Stock Number 4730-01-207-3079, 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 Textron Systems Corporation Dba Textron Systems Corp. Government technical data includes 10 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 | 4730-01-207-3079 |
| Primary Part Number | 121-50408-1 |
| Item Name | Union,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Textron Systems Corporation Dba Textron Systems Corp |
| Status | ACTIVE |
| Connection Style | STREAMLINED W/ ONE BRAZING RING (TUBE) ALL ENDS |
| Coupling Flange Shape | HEXAGON |
| Nominal Overall Length | 2.875 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | SCREWED |
| Material Document and Classification | FS66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES ALL ENDS IN |
| Seat Type | BEVELED |
| Material | STEEL COMP 316 OVERALL |
| Reducer Type | CONCENTRICCONCENTRIC |
| 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 |
|---|---|
| 121-50408-1 PRIMARY | Textron Systems Corporation Dba Textron Systems Corp (USA) |
NSN 4730-01-207-3079 is a Union,tube, manufactured by Textron Systems Corporation Dba Textron Systems Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-207-3079 has 1 manufacturer part number on file: 121-50408-1 (Textron Systems Corporation Dba Textron Systems Corp).
Key specifications for 121-50408-1: Connection Style: STREAMLINED W/ ONE BRAZING RING (TUBE) ALL ENDS; Coupling Flange Shape: HEXAGON; Nominal Overall Length: 2.875 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS. 10 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.