The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-481-2201, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-481-2201 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 55.000 INCHES NOMINAL WORKING IN |
| Temp Rating | -60.0 FAHRENHEIT AND 145.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | SWIVEL NUT, INVERTED FLARE SECOND END |
| Connection Style | FLARELESS FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Layer Composition and Location | 2ND LAYER RUBBER IMPREGNATED BRAIDED FABRIC |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Nominal Thread Size | 0.437 INCHES SECOND END IN |
| Seat Angle | 60.0 DEGREES FIRST END |
| Seat Angle | 90.0 DEGREES SECOND END |
| Inside Diameter | 0.125 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | BRAKE FLUID, NONMINERAL OIL SINGLE RESPONSE |
| Thread Class | 2A FIRST END A |
| Thread Class | 1A SECOND END A |
| Burst Test Pressure | 5000.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 24 SECOND END |
| Thread Series Designator | UNS SECOND END |
| 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 |
| Reference | Meaning |
|---|---|
| 9167790-2 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
| 9167790-2 | 3/9 Design control — primary reference U.S. Government activity |
| 9167790 | D/9 Drawing number reference only U.S. Government activity |
NSN 4720-01-481-2201 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-481-2201: Measuring Method and Length: 55.000 INCHES NOMINAL WORKING IN; Temp Rating: -60.0 FAHRENHEIT AND 145.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Style: SWIVEL NUT, INVERTED FLARE SECOND END; Connection Style: FLARELESS FIRST END. 27 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.