The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-331-8721, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Drs Sustainment Systems Inc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-331-8721 |
| Primary Part Number | 750189-317 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Drs Sustainment Systems Inc |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Inside Diameter | 0.415 INCHES NOMINAL IN |
| Layer Composition and Location | 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE, PARTIAL COVERAGE AND OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| Burst Test Pressure | 5000.0 POUNDS PER SQUARE INCH LBS |
| Features Provided | REUSABLE END FITTINGS |
| Minimum Inside Bending Radius | 3.500 INCHES IN |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Seat Angle | 37.0 DEGREES FIRST END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Measuring Method and Length | 11.500 INCHES NOMINAL OVERALL IN |
| Hydrostatic Test Pressure | 2500.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Inside Surface Condition | SMOOTH |
| Outer Covering Environmental Protection | ALCOHOL RESISTANT AND FUEL RESISTANT AND OIL RESISTANT AND ETHYLENE GLYCOL RESISTANT AND SOLVENT RESISTANT |
| Thread Class | 3B FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.672 INCHES NOMINAL IN |
| End Connection Design | STRAIGHT FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 750189-317 | Drs Sustainment Systems, Inc. (USA) |
| 750189 | Drs Sustainment Systems, Inc. (USA) |
| 750189-317 PRIMARY | Drs Sustainment Systems Inc (USA) |
| A7441-1 | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
NSN 4720-01-331-8721 is a Hose Assembly,nonmetallic, manufactured by Drs Sustainment Systems Inc, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-01-331-8721 has 4 cross-referenced part numbers: 750189-317 (Drs Sustainment Systems, Inc.), 750189 (Drs Sustainment Systems, Inc.), 750189-317 (Drs Sustainment Systems Inc), A7441-1 (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division).
There are 2 known substitutes for 4720-01-331-8721: 4720-01-331-6616, 4720-01-331-6617. Verify interchangeability with system specifications before substitution.
Key specifications for 750189-317: Temp Rating: -65.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF; Inside Diameter: 0.415 INCHES NOMINAL IN; Layer Composition and Location: 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE, PARTIAL COVERAGE AND OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE; Connection Style: SWIVEL NUT FLARE FIRST END. 23 total characteristics are documented in the Federal Logistics Information System.