The Tube Assembly,metal, cataloged under National Stock Number 4710-01-027-9687, 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 O T S I. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-027-9687 |
| Primary Part Number | BA70225 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | O T S I |
| Status | ACTIVE |
| Seat Angle in Deg | 45.0 SINGLE END |
| Design Form | PREBENT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| End Connection Style | SWIVEL NUT, FLARED FIRST END |
| End Connection Style | EXTERNAL SEAT OR GASKET SEAL SECOND END |
| Tube Outside Diameter | 0.375 INCHES NOMINAL IN |
| Thread Class | 2A SECOND END A |
| Thread Class | 2B FIRST END |
| Material | STEEL CORROSION RESISTING SINGLE END |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| BA70225 PRIMARY | O T S I (USA) |
| Reference | Meaning |
|---|---|
| BA70225 | 5/9 Secondary reference Lake Quality Products Inc |
| BA70225 | 5/9 Secondary reference Becken Metal Products Inc |
NSN 4710-01-027-9687 is a Tube Assembly,metal, manufactured by O T S I, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-027-9687 has 1 manufacturer part number on file: BA70225 (O T S I).
Key specifications for BA70225: Seat Angle in Deg: 45.0 SINGLE END; Design Form: PREBENT; Mating End Quantity: 1 SECOND END; Mating End Quantity: 1 FIRST END. 17 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.