The Tube Assembly,metal, cataloged under National Stock Number 4710-01-066-6471, 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 Caterpillar Inc Div Caterpillar Defense. 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 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 | 4710-01-066-6471 |
| Primary Part Number | 6N5131 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Wall Thickness | 0.028 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.500 INCHES SINGLE END IN |
| End Connection Style | SWIVEL NUT, COMPRESSION SINGLE END |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Seat Radius | 0.130 INCHES NOMINAL SINGLE END IN |
| Thread Class | 3B SINGLE END |
| Material | STEEL TUBING |
| Material | STEEL SINGLE END |
| 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 |
NSN 4710-01-066-6471 is a Tube Assembly,metal, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-066-6471 has 2 manufacturer part numbers on file: 9Y1081 (Caterpillar Inc Div Caterpillar Defense), 6N5131 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-304-6629. Verify interchangeability with system specifications before substitution.
Key specifications for 6N5131: Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Wall Thickness: 0.028 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND SINGLE END. 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.