The Hose Assembly,air Duct, cataloged under National Stock Number 4720-01-236-3446, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is R.e. Darling Co., 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 | 4720-01-236-3446 |
| Primary Part Number | REDARA10644-2 |
| Item Name | Hose Assembly,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | R.e. Darling Co., Inc. |
| Status | ACTIVE |
| Connection Type | COUPLING FIRST END |
| Style Designator | SLEEVE SECTION |
| Material Document and Classification | QQ-W-423,FORM 1,COMP 302,COND 3 FED SPEC SINGLE MATERIAL RESPONSE REINFORCING WIRE |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.625 INCHES NOMINAL IN |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Features Provided | OZONE RESISTANT |
| Inside Diameter | 0.3125 INCHES NOMINAL FIRST END IN |
| Material | STEEL CORROSION RESISTING REINFORCING WIRE |
| Material | COTTON OR WOOL 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 |
|---|---|
| REDARA10644-2 PRIMARY | R.e. Darling Co., Inc. (USA) |
NSN 4720-01-236-3446 is a Hose Assembly,air Duct, manufactured by R.e. Darling Co., Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-236-3446 has 1 manufacturer part number on file: REDARA10644-2 (R.e. Darling Co., Inc.).
Key specifications for REDARA10644-2: Connection Type: COUPLING FIRST END; Style Designator: SLEEVE SECTION; Material Document and Classification: QQ-W-423,FORM 1,COMP 302,COND 3 FED SPEC SINGLE MATERIAL RESPONSE REINFORCING WIRE; Cross-Sectional Shape Style: ROUND. 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.