The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-446-7223, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Am General Llc. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4720-01-446-7223 |
| Primary Part Number | RCSK17579-2 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES FIRST END |
| Measuring Method and Length | 65.750 INCHES NOMINAL OVERALL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 2.250 INCHES IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | ELBOW FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED TEXTILE YARN AND 2ND LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Angle Between Rigid Elbow Fittings in Deg | 225.0 |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.820 INCHES NOMINAL IN |
| Operating Pressure | 875.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Hydrostatic Test Pressure | 1750.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2B FIRST END |
| Burst Test Pressure | 3500.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | FUEL RESISTANT AND HEAT RESISTANT AND HYDRAULIC SOLUTION RESISTANT AND OIL RESISTANT AND MILDEW RESISTANT AND OZONE RESISTANT AND WEATHERPROOF |
| 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 |
|---|---|
| RCSK17579-2 PRIMARY | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| RCSK17579 | D/9 Drawing number reference only Am General Llc |
NSN 4720-01-446-7223 is a Hose Assembly,nonmetallic, manufactured by Am General Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-446-7223 has 1 manufacturer part number on file: RCSK17579-2 (Am General Llc).
Key specifications for RCSK17579-2: Flow Angle: 45.0 DEGREES FIRST END; Measuring Method and Length: 65.750 INCHES NOMINAL OVERALL IN; Temp Rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 2.250 INCHES IN. 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.