The Elbow,flange to Tube, cataloged under National Stock Number 4730-01-086-1906, 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 Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 17 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 | 4730-01-086-1906 |
| Primary Part Number | 126059 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Nominal Length | 2.750 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | MIL-P-25421 MIL SPEC 2ND MATERIAL RESPONSE TUBE |
| Material Document and Classification | QQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE FLANGE |
| Bolt Hole Nominal Diameter | 0.166 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.250 INCHES SECOND END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Nominal Width | 1.937 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 2.375 INCHES SECOND END IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | GLASS FIBER TUBE |
| Material | ALUMINUM ALLOY 6061 FLANGE |
| Nominal Thickness | 0.180 INCHES SECOND END IN |
| Bend Center to Center Nominal Distance | 1.870 INCHES 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 |
|---|---|
| 126059 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 4730-01-086-1906 is a Elbow,flange to Tube, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-086-1906 has 1 manufacturer part number on file: 126059 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 126059: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Nominal Length: 2.750 INCHES SECOND END IN; Connection Type: FLANGE SECOND END. 17 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.