The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-474-0518, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Bae Systems Controls Inc.. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-474-0518 |
| Primary Part Number | 405581-01 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Bae Systems Controls Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 25.460 INCHES NOMINAL WORKING IN |
| Temp Rating | -40.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Fitting Component and Surface Treatment | COMPLETE FITTING PASSIVATE FIRST END |
| Minimum Inside Bending Radius | 3.500 INCHES IN |
| Connection Style | SWIVEL NUT, FLARELESS SECOND END |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.875 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| End Fitting Component and Material | COMPLETE FITTING STEEL CORROSION RESISTING ALL ENDS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Seat Angle | 12.0 DEGREES FIRST END |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | WATER AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Hydrostatic Test Pressure | 200.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2B FIRST END |
| Thread Class | 2B SECOND END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| 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 |
|---|---|
| 405581-01 PRIMARY | Bae Systems Controls Inc. (USA) |
| D3080 PRIMARY | Delafield Corp Dba Delafield Fluid Technologies (USA) |
| PL405550-01-01 FN 19 | Bae Systems Controls Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4055581 | 7/2 Vendor item drawing reference Bae Systems Controls Inc. |
NSN 4720-01-474-0518 is a Hose Assembly,nonmetallic, manufactured by Bae Systems Controls Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-474-0518 has 3 manufacturer part numbers on file: 405581-01 (Bae Systems Controls Inc.), D3080 (Delafield Corp Dba Delafield Fluid Technologies), PL405550-01-01 FN 19 (Bae Systems Controls Inc.).
Key specifications for 405581-01: Measuring Method and Length: 25.460 INCHES NOMINAL WORKING IN; Temp Rating: -40.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF; Fitting Component and Surface Treatment: COMPLETE FITTING PASSIVATE FIRST END; Minimum Inside Bending Radius: 3.500 INCHES IN. 29 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.