The Tube Assembly,metal, cataloged under National Stock Number 4710-01-042-5499, 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 Rolls-Royce Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-042-5499 |
| Primary Part Number | 6876542 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Wall Thickness | 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.438 INCHES SINGLE END IN |
| Tube Outside Diameter | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Thread Class | 3B SINGLE END |
| Material | STEEL CORROSION RESISTING SINGLE END |
| Material | STEEL CORROSION RESISTING TUBING |
| Thread Series Designator | UNF SINGLE END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6876542 | Boeing Distribution, Inc. (USA) |
| 6876542 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| 6876542 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6876542 | 5/9 Secondary reference Airbus Helicopters (ets De Marignane) |
| 6876542 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6876542AL | 5/9 Secondary reference Extex Engineered Products Inc Dba Timken Aerospace Services |
NSN 4710-01-042-5499 is a Tube Assembly,metal, manufactured by Rolls-Royce Corporation, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-042-5499 has 3 manufacturer part numbers on file: 6876542 (Boeing Distribution, Inc.), 6876542 (Leonardo Spa Helicopters Division - Production Site), 6876542 (Rolls-Royce Corporation).
Key specifications for 6876542: Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Wall Thickness: 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND SINGLE END. 10 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 4710-01-042-5499 has DEMIL Code Q. 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.