The Tube Assembly,metal, cataloged under National Stock Number 4710-00-533-8757, 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 13 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 | 4710-00-533-8757 |
| Primary Part Number | 307810 |
| 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 | 2 SINGLE END |
| Thread Pitch Diameters | +0.4050 TO 0.4076 INCHES SINGLE END IN |
| Material Document and Classification | AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.060 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.438 INCHES SINGLE END IN |
| End Connection Style | FLARE SINGLE END |
| Tube Outside Diameter | 0.246 INCHES NOMINAL IN |
| Seat Radius | 0.404 INCHES MINIMUM AND 0.4076 INCHES MAXIMUM SINGLE END IN |
| Material | STEEL COMP 321 SINGLE END |
| Material | STEEL COMP 321 TUBING |
| Thread Series Designator | UNF 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 |
|---|---|
| 307810 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4710-00-533-8757 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 4710-00-533-8757 has 1 manufacturer part number on file: 307810 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 307810: Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Thread Pitch Diameters: +0.4050 TO 0.4076 INCHES SINGLE END IN; Material Document and Classification: AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING. 13 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.