The Tube Assembly,metal, cataloged under National Stock Number 4710-00-296-9457, 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 Meggitt Troy Inc. 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 | 4710-00-296-9457 |
| Primary Part Number | 4428-0186 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Meggitt Troy Inc |
| Status | ACTIVE |
| Seat Angle in Deg | 45.0 ALL ENDS |
| Design Form | PREBENT |
| Mating End Quantity | 2 ALL ENDS |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| End Connection Style | SWIVEL NUT, FLARED ALL ENDS |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 3B ALL ENDS |
| Material | STEEL TUBING |
| Material | STEEL ALL ENDS |
| Thread Series Designator | UNF ALL ENDS |
| End Connection Spec/std | AN,AN818,PART NO. AN818-4 AND MIL,MS20819,PART NO. MS20819-4 |
| 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 |
|---|---|
| 4428-0186 PRIMARY | Meggitt Troy Inc (USA) |
NSN 4710-00-296-9457 is a Tube Assembly,metal, manufactured by Meggitt Troy Inc, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-296-9457 has 1 manufacturer part number on file: 4428-0186 (Meggitt Troy Inc).
Key specifications for 4428-0186: Seat Angle in Deg: 45.0 ALL ENDS; Design Form: PREBENT; Mating End Quantity: 2 ALL ENDS; Wall Thickness: 0.035 INCHES NOMINAL IN. 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.