The Tube Assembly,metal,branched, cataloged under National Stock Number 4710-01-040-1403, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-040-1403 |
| Item Name | Tube Assembly,metal,branched |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 204-20026-20 | 3/2 Design control — primary reference U.S. Government activity |
| 204-20026 | D/9 Drawing number reference only U.S. Government activity |
NSN 4710-01-040-1403 is a Tube Assembly,metal,branched, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4710-01-040-4322. Verify interchangeability with system specifications before substitution.
Key specifications for 4710-01-040-1403: Special Features: STEEL,CORROSION RESISTING PER BMS7-185,21-6-9,SEAMLESS OR WELDED,0.375IN. OD,0.020 IN. WALL THK,CONSISTS OF ONE EACH OF THE FOLLOWING ASSEMBLIES,BOEING P/N 204-20026-7,-9,-10,-14,-18,END CONNECTIONS ON ONE END OF EACH ASSEMBLY,CONSISTING OF ONE EACH NUT P/N MS21921-6D AND SLEEVE BOEING P/N BACS13BD6HP,200 PSI WORKING PRESSURE,PROCESS AND FINISH PER PROCESS 7,D6-15442,APPLY ENAMEL TO EXTERIOR OF TUBING ONLY IN. 0 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.