The Tube Assembly,metal, cataloged under National Stock Number 4710-01-009-8056, 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 Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-009-8056 |
| Primary Part Number | 746319 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 3 SINGLE END |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.031 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN |
| End Connection Style | MISCELLANEOUS SECOND END |
| End Connection Style | SWIVEL NUT, FLARE FIRST END |
| End Connection Style | SWIVEL NUT, FLARE THIRD END |
| Tube Outside Diameter | 0.296 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 TUBING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 746319 | Bc Technical Center, Llc Dba Bc Engineered Products (USA) |
| 746319 | E.a. Patten Co Llc (USA) |
| 746319 | Rtx Corporation Div Pratt & Whitney (USA) |
| 746319 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 746319 | 5/9 Secondary reference Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders |
| 746319 | 5/9 Secondary reference Aero Tube Technologies, Llc Dba Tube Bends |
| 746319 | 5/9 Secondary reference Kreisler Industrial Corporation |
NSN 4710-01-009-8056 is a Tube Assembly,metal, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-009-8056 has 4 manufacturer part numbers on file: 746319 (Bc Technical Center, Llc Dba Bc Engineered Products), 746319 (E.a. Patten Co Llc), 746319 (Rtx Corporation Div Pratt & Whitney), 746319 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 746319: Design Form: PREBENT; Mating End Quantity: 3 SINGLE END; Criticality Code Justification: FEAT; Material Document and Classification: AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING. 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.
NSN 4710-01-009-8056 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.