The Hose,air Duct, cataloged under National Stock Number 4720-00-004-2247, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Flexible Technologies Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-00-004-2247 |
| Primary Part Number | FT9837-1 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexible Technologies Inc |
| Status | ACTIVE |
| Hose Weight | 34.560 OUNCES PER LINEAR FOOT OZ |
| Measuring Method and Length | 72.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 12.000 INCHES IN |
| Connection Style | ROUND BOTH ENDS |
| Special Test Features | TO WITHSTAND 100 MIN WHEN TESTED TO METHOD 204.1.1 AND 200 MIN WHEN TESTED TO METHOD 206.1.1 |
| Connection Type | PREFORMED BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.065 INCHES MINIMUM IN |
| Operating Pressure | 3.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS |
| Inside Diameter | 12.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 2.500 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 12.000 INCHES NOMINAL BOTH ENDS IN |
| Test Data Document | 96906-MIL-STD-282 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| Material | RUBBER CHLOROPRENE CLASS CR SECOND PLY |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST 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 |
|---|---|
| FT9837-1 PRIMARY | Flexible Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 07-01-210 | 5/1 Secondary reference Gokser Arge Savunma Havacilik Anonim Sirketi |
| D5-19-5028-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4720-00-004-2247 is a Hose,air Duct, manufactured by Flexible Technologies Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-004-2247 has 1 manufacturer part number on file: FT9837-1 (Flexible Technologies Inc).
Key specifications for FT9837-1: Hose Weight: 34.560 OUNCES PER LINEAR FOOT OZ; Measuring Method and Length: 72.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 12.000 INCHES IN; Connection Style: ROUND BOTH ENDS. 16 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.