The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-439-8263, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-439-8263 |
| Primary Part Number | 9191566 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Measuring Method and Length | 45.500 INCHES NOMINAL WORKING IN |
| Temp Rating | -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 4.625 INCHES IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Vacuum in Torr | 50.8 |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.562 INCHES NOMINAL IN |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | ELECTROSTATIC DISCHARGE CAPABILITY |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Exterior Color | NATURAL |
| Inside Diameter | 0.406 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 3000.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3B FIRST END |
| Burst Test Pressure | 8000.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | CORROSION RESISTANT AND FUEL RESISTANT AND OIL RESISTANT |
| Thread Series Designator | UNF FIRST 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 |
|---|---|
| 9191566 PRIMARY | Us Army Aviation and Missile Command (USA) |
| R20329-8-0454 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| Reference | Meaning |
|---|---|
| 13000008-0454A | 5/9 Secondary reference Smiths Tubular Systems-Laconia, Inc. |
| 9169907 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
NSN 4720-00-439-8263 is a Hose Assembly,nonmetallic, manufactured by Us Army Aviation and Missile Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-439-8263 has 2 manufacturer part numbers on file: 9191566 (Us Army Aviation and Missile Command), R20329-8-0454 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division).
9 possible matches (shared part number, not a government interchangeability claim): 4720-00-441-2167, 4720-00-445-7748, 4720-00-647-3317. Verify interchangeability with system specifications before substitution.
Key specifications for 9191566: Measuring Method and Length: 45.500 INCHES NOMINAL WORKING IN; Temp Rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 4.625 INCHES IN; Connection Style: SWIVEL NUT FLARE FIRST END. 23 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.