The Tube Assembly,metal, cataloged under National Stock Number 4710-01-076-8753, 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 Naval Sea Systems Command. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-076-8753 |
| Primary Part Number | 3266495-2 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Seat Angle in Deg | 37.0 SINGLE END |
| Design Form | STRAIGHT |
| Mating End Quantity | 2 SINGLE END |
| Wall Thickness | 0.035 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.437 INCHES SINGLE END IN |
| End Connection Style | SWIVEL NUT, FLARED SINGLE END |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 2B SINGLE END |
| Material | STEEL COMP 316 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 |
|---|---|
| 3266495-2 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 3266495-2 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 3266495 | D/9 Drawing number reference only Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4710-01-076-8753 is a Tube Assembly,metal, manufactured by Naval Sea Systems Command, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-076-8753 has 2 manufacturer part numbers on file: 3266495-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 3266495-2 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5925-01-474-3579. Verify interchangeability with system specifications before substitution.
Key specifications for 3266495-2: Seat Angle in Deg: 37.0 SINGLE END; Design Form: STRAIGHT; Mating End Quantity: 2 SINGLE END; Overall Length: 2.000 INCHES MINIMUM AND 2.641 INCHES MAXIMUM IN. 12 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.