The Tube and Fittings,metallic, cataloged under National Stock Number 4710-01-429-1522, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 12 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 | 4710-01-429-1522 |
| Primary Part Number | 70250-85003-041 |
| Item Name | Tube and Fittings,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Design Form | PREBENT |
| Wall Thickness | 0.022 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.375 INCHES SINGLE END IN |
| End Connection Style | SWIVEL NUT, COMPRESSION SINGLE END |
| Tube Outside Diameter | 0.252 INCHES NOMINAL IN |
| Seat Radius | 0.125 INCHES NOMINAL SINGLE END IN |
| Thread Class | 3B SINGLE END |
| Thread Quantity Per Inch | 20 SINGLE END |
| Material | STEEL CORROSION RESISTING SINGLE END |
| Material | STEEL CORROSION RESISTING TUBING |
| Thread Series Designator | UN SINGLE END |
| 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 |
|---|---|
| 70250-85003-041 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 4710-01-429-1522 is a Tube and Fittings,metallic, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-429-1522 has 1 manufacturer part number on file: 70250-85003-041 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70250-85003-041: Design Form: PREBENT; Wall Thickness: 0.022 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND SINGLE END; Nominal Thread Size: 0.375 INCHES SINGLE END IN. 12 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.