The Tube Assembly,metal,branched, cataloged under National Stock Number 4710-01-446-7551, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-446-7551 |
| Item Name | Tube Assembly,metal,branched |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Status | ACTIVE |
| Branch Quantity | 2 |
| Design Form | PREBENT |
| Main Body Tube Outside Diameter | 3.500 INCHES IN |
| Main Body Tube Wall Thickness | 0.042 INCHES NOMINAL IN |
| Material Document and Classification | BMS7-21, GRADE 2, CLASS 2, TYPE 2 MFR REF SINGLE MATERIAL RESPONSE |
| Material | TITANIUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| DAA3139D022 | D/9 Drawing number reference only U.S. Government activity |
| DAA3139D022-044 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4710-01-446-7551 is a Tube Assembly,metal,branched, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4710-01-446-7560, 4710-01-446-7570. Verify interchangeability with system specifications before substitution.
Key specifications for 4710-01-446-7551: Branch Quantity: 2; Design Form: PREBENT; Main Body Tube Outside Diameter: 3.500 INCHES IN; Main Body Tube Wall Thickness: 0.042 INCHES NOMINAL IN. 6 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.
NSN 4710-01-446-7551 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.