The Tube Assembly,metal, cataloged under National Stock Number 4710-00-690-2901, 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 U S Army Tank Automotive Command Amsta-Im-Mm. 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 | 4710-00-690-2901 |
| Primary Part Number | 10866787 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| FSC Application Data | INTERCYLINDER CONNECTING,FIXED FIRE EXTINGUISHER SYSTEM |
| Seat Angle in Deg | 45.0 SINGLE END |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Material Document and Classification | ASTM B280 ASSN STD SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.0300 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 | 0.250 INCHES NOMINAL IN |
| Thread Class | 3B SINGLE END |
| Material | STEEL SINGLE END |
| Material | COPPER ALLOY 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 |
|---|---|
| 10866787 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4710-00-690-2901 is a Tube Assembly,metal, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-690-2901 has 1 manufacturer part number on file: 10866787 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10866787: FSC Application Data: INTERCYLINDER CONNECTING,FIXED FIRE EXTINGUISHER SYSTEM; Seat Angle in Deg: 45.0 SINGLE END; Design Form: PREBENT; Mating End Quantity: 2 SINGLE END. 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.