The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-439-4733, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Rolls-Royce Corporation (CAGE 63005); Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (CAGE 50599) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-439-4733 |
| Primary Part Number | 23059290-4 |
| Item Name | Hose Assembly,nonmetallic |
| 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) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 23059290-4 | Rolls-Royce Corporation (USA) |
| 775577H0270 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| 23059009 ITEM 35 | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 23059290 | 7/1 Vendor item drawing reference Rolls-Royce Corporation |
| 775577H0270 | 3/9 Design control — primary reference Teleflex Fluid Systems Inc Dba Teleflex Aero-Hose |
| 23059009 | D/9 Drawing number reference only Rolls-Royce Corporation |
NSN 4720-01-439-4733 is a Hose Assembly,nonmetallic, manufactured by Rolls-Royce Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-439-4733 has 3 manufacturer part numbers on file: 23059290-4 (Rolls-Royce Corporation), 775577H0270 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), 23059009 ITEM 35 (Rolls-Royce Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-439-4741, 4720-01-439-4940, 4820-01-439-7241. 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.