The Tube Assy,aircraft,, cataloged under National Stock Number 4720-01-475-5974, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Rolls-Royce Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Tube Assy,aircraft, |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Lockheed Martin Aeronautical Systems Support Company Dba Lmassc (CAGE 74703); Rolls-Royce Corporation (CAGE 63005) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-475-5974 |
| Primary Part Number | 23067657 |
| Item Name | Tube Assy,aircraft, |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 23059805 | Lockheed Martin Aeronautical Systems Support Company Dba Lmassc (USA) |
| 23067657 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 23059805 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 23059805 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Services, Llc |
NSN 4720-01-475-5974 is a Tube Assy,aircraft,, manufactured by Rolls-Royce Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-475-5974 has 2 manufacturer part numbers on file: 23059805 (Lockheed Martin Aeronautical Systems Support Company Dba Lmassc), 23067657 (Rolls-Royce Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 4710-01-483-3108, 2840-01-497-4053. Verify interchangeability with system specifications before substitution.
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.