The Tube Assembly,metal, cataloged under National Stock Number 4710-01-390-1027, 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 The Entwistle Company Llc. Government technical data includes 14 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 | 4710-01-390-1027 |
| Primary Part Number | 8909-997-001 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Seat Angle in Deg | 30.0 SINGLE END |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Material Document and Classification | AISI 304 ASSN STD SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.438 INCHES SINGLE END IN |
| End Connection Style | INVERTED FLARE SINGLE END |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 2B SINGLE END |
| Material | STEEL SINGLE END |
| Material | STEEL COMP 304 TUBING |
| Thread Series Designator | UNS SINGLE END |
| End Connection Spec/std | SAE, J512, PART NO. 4-4 040110C |
| 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 |
|---|---|
| 8909-997-001 PRIMARY | The Entwistle Company Llc (USA) |
NSN 4710-01-390-1027 is a Tube Assembly,metal, manufactured by The Entwistle Company Llc, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-390-1027 has 1 manufacturer part number on file: 8909-997-001 (The Entwistle Company Llc).
Key specifications for 8909-997-001: Seat Angle in Deg: 30.0 SINGLE END; Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Material Document and Classification: AISI 304 ASSN STD SINGLE MATERIAL RESPONSE TUBING. 14 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.