The Hose Assembly,air Duct, cataloged under National Stock Number 4720-00-375-7801, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Grove Valve Operations. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-375-7801 |
| Primary Part Number | W61A01PPC4-2 1-2 |
| Item Name | Hose Assembly,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Grove Valve Operations |
| Status | ACTIVE |
| Measuring Method and Length | 2.700 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND FIRST END |
| Connection Type | COUPLING SECOND END |
| Connection Type | PREFORMED FIRST END |
| Style Designator | SLEEVE SECTION |
| Coupling Style | PLAIN FLANGE SECOND END |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.188 INCHES NOMINAL IN |
| Inside Diameter | 4.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 0.375 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 2.828 INCHES NOMINAL FIRST END IN |
| Material | RUBBER SYNTHETIC SINGLE PLY |
| Material | RUBBER CHLOROPRENE CLASS CR AND COTTON FIRST END COUPLING |
| 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 |
|---|---|
| W61A01PPC4-2 1-2 PRIMARY | Grove Valve Operations (USA) |
| 201-02413 PRIMARY | Grove Valve Operations (USA) |
NSN 4720-00-375-7801 is a Hose Assembly,air Duct, manufactured by Grove Valve Operations, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-375-7801 has 2 manufacturer part numbers on file: W61A01PPC4-2 1-2 (Grove Valve Operations), 201-02413 (Grove Valve Operations).
Key specifications for W61A01PPC4-2 1-2: Measuring Method and Length: 2.700 INCHES NOMINAL OVERALL IN; Connection Style: ROUND FIRST END; Connection Type: COUPLING SECOND END; Connection Type: PREFORMED FIRST END. 13 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.