The Tube Assembly,metal, cataloged under National Stock Number 4710-00-334-9526, 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 Rtx Corporation Div Pratt & Whitney. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-00-334-9526 |
| Primary Part Number | 4037145 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Seat Angle in Deg | 37.0 SECOND END |
| Design Form | PREBENT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Bolt Hole Diameter | 0.281 INCHES NOMINAL SECOND END IN |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| End Connection Style | FLARED FIRST END |
| End Connection Style | PLAIN SECOND END |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Bolt Hole Quantity | 2 SECOND END |
| Bolt Circle Diameter | 0.435 INCHES NOMINAL SECOND END IN |
| Thread Class | 3A FIRST END A |
| Material | TITANIUM TUBING |
| Material | STEEL COMP 347 FIRST END |
| Material | STEEL SECOND END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4037145 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4037145 | E.a. Patten Co Llc (USA) |
| 4037145 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 4037145 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 4710-00-334-9526 is a Tube Assembly,metal, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-334-9526 has 3 manufacturer part numbers on file: 4037145 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4037145 (E.a. Patten Co Llc), 4037145 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 4037145: Seat Angle in Deg: 37.0 SECOND END; Design Form: PREBENT; Mating End Quantity: 1 SECOND END; Mating End Quantity: 1 FIRST 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.
NSN 4710-00-334-9526 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.