The Hose,air Duct, cataloged under National Stock Number 4720-01-022-3945, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Bemco, Inc. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-022-3945 |
| Primary Part Number | BE722-10-540-6 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Bemco, Inc |
| Status | ACTIVE |
| Hose Weight | 2.300 OUNCES PER LINEAR FOOT OZ |
| Measuring Method and Length | 13.500 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND FIRST END |
| Connection Type | PLAIN FIRST END |
| Style Designator | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
| Cross-Sectional Shape Style | ROUND |
| Inside Diameter | 2.500 INCHES NOMINAL FIRST END IN |
| End Overall Length | 3.750 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 2.500 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR 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 |
|---|---|
| BE722-10-540-6 PRIMARY | Bemco, Inc (USA) |
NSN 4720-01-022-3945 is a Hose,air Duct, manufactured by Bemco, Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-022-3945 has 1 manufacturer part number on file: BE722-10-540-6 (Bemco, Inc).
Key specifications for BE722-10-540-6: Hose Weight: 2.300 OUNCES PER LINEAR FOOT OZ; Measuring Method and Length: 13.500 INCHES NOMINAL OVERALL IN; Connection Style: ROUND FIRST END; Connection Type: PLAIN FIRST END. 10 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.