The Tube Assembly,metal, cataloged under National Stock Number 4710-00-778-7985, 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 2 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-00-778-7985 |
| Primary Part Number | 405744 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Design Form | PREBENT |
| End Connection Style | FLARED SINGLE 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 |
|---|---|
| 405744 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 405744 | 5/9 Secondary reference U.S. Government activity |
| 405744 | 5/9 Secondary reference Aero Tube Technologies, Llc Dba Tube Bends |
| 405744 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 405744 | 5/9 Secondary reference U.S. Government activity |
| 405744 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 405744 | 5/9 Secondary reference Kreisler Industrial Corporation |
| 405744 | 5/9 Secondary reference Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders |
| 405744 | 5/9 Secondary reference E.a. Patten Co Llc |
| 405744 | 5/9 Secondary reference U.S. Government activity |
NSN 4710-00-778-7985 is a Tube Assembly,metal, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-778-7985 has 1 manufacturer part number on file: 405744 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 405744: Design Form: PREBENT; End Connection Style: FLARED SINGLE END. 2 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 4710-00-778-7985 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.