The Hose,air Duct, cataloged under National Stock Number 4720-01-174-4019, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Arrowhead Products Corp. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-174-4019 |
| Primary Part Number | 300593-1 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Arrowhead Products Corp |
| Status | ACTIVE |
| Measuring Method and Length | 3.400 INCHES NOMINAL OVERALL IN |
| Connection Type | PLAIN FIRST END |
| Style Designator | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
| Operating Pressure | 60.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS |
| Material | RUBBER CHLOROPRENE CLASS CR SINGLE PLY |
| 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 |
|---|---|
| 300593-1 PRIMARY | Arrowhead Products Corp (USA) |
| Reference | Meaning |
|---|---|
| LE271-0063-0600 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
| 316022-0600 | 5/9 Secondary reference Rcf Technologies Inc |
NSN 4720-01-174-4019 is a Hose,air Duct, manufactured by Arrowhead Products Corp, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-174-4019 has 1 manufacturer part number on file: 300593-1 (Arrowhead Products Corp).
Key specifications for 300593-1: Measuring Method and Length: 3.400 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN FIRST END; Style Designator: FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS; Operating Pressure: 60.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS. 5 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.