The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-228-1049, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Parker-Hannifin Corp Div Parflex Division. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-228-1049 |
| Primary Part Number | A0312-MC4-ML4 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Parker-Hannifin Corp Div Parflex Division |
| Status | ACTIVE |
| Measuring Method and Length | 147.250 INCHES NOMINAL OVERALL IN |
| Connection Style | SWIVEL, PLAIN SECOND END |
| Connection Style | PLAIN FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Exterior Color | YELLOW |
| Inside Diameter | 0.188 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Burst Test Pressure | 400.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT 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 |
|---|---|
| A0312-MC4-ML4 PRIMARY | Parker-Hannifin Corp Div Parflex Division (USA) |
| Reference | Meaning |
|---|---|
| C11478-1 | 3/2 Design control — primary reference U.S. Government activity |
| C11478 | D/9 Drawing number reference only U.S. Government activity |
NSN 4720-01-228-1049 is a Hose Assembly,nonmetallic, manufactured by Parker-Hannifin Corp Div Parflex Division, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-228-1049 has 1 manufacturer part number on file: A0312-MC4-ML4 (Parker-Hannifin Corp Div Parflex Division).
Key specifications for A0312-MC4-ML4: Measuring Method and Length: 147.250 INCHES NOMINAL OVERALL IN; Connection Style: SWIVEL, PLAIN SECOND END; Connection Style: PLAIN FIRST END; End Connection Design: STRAIGHT FIRST END. 19 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.