The Tube Assembly,metal, cataloged under National Stock Number 4710-00-673-3385, is classified within Federal Supply Class 4710 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Defense & Development Enterprises Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-00-673-3385 |
| Primary Part Number | 20304-2 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — No Item Name Available |
| Manufacturer | Defense & Development Enterprises Llc |
| Status | ACTIVE |
| Mating End Quantity | 2 SINGLE END |
| Thread Class | 3B SINGLE END |
| Material | ALUMINUM ALLOY SINGLE END |
| Material | ALUMINUM ALLOY TUBING |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SINGLE END |
| Design Form | PREBENT |
| Nominal Thread Size | 0.438 INCHES SINGLE END IN |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 SINGLE END |
| End Connection Spec/std | AN818,PART NO. AN818-4D |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4710-00-673-3385 is a Tube Assembly,metal, manufactured by Defense & Development Enterprises Llc, classified under FSC 4710 (No Item Name Available). Status: active.
NSN 4710-00-673-3385 has 3 cross-referenced part numbers: 20304-2 (Defense & Development Enterprises Llc), 20304-2 (Hiller Aircraft Corporation), 20304-2 (Triumph Thermal Systems - Maryland, Inc.).
There is 1 known substitute for 4710-00-673-3385: 5962-00-471-8442. Verify interchangeability with system specifications before substitution.
Key specifications for 20304-2: Mating End Quantity: 2 SINGLE END; Thread Class: 3B SINGLE END; Material: ALUMINUM ALLOY SINGLE END; Material: ALUMINUM ALLOY TUBING. 12 total characteristics are documented in the Federal Logistics Information System.