The Hose,air Duct, cataloged under National Stock Number 4720-00-012-5509, 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-012-5509 |
| Primary Part Number | FT-2926-8-64 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexible Technologies Inc |
| Status | ACTIVE |
| Measuring Method and Length | 32.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 6.000 INCHES IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | SOFT BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.060 INCHES NOMINAL IN |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Nondefinitive Spec/std Data | 4 TYPE AND 3 CLASS |
| Inside Diameter | 2.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.500 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 2.000 INCHES NOMINAL BOTH ENDS IN |
| Material | FIBERGLASS AND RESIN FIRST PLY |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR REINFORCING CORD |
| Material | STEEL CORROSION RESISTING REINFORCING WIRE |
| Material | FIBERGLASS AND RESIN SECOND 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 |
|---|---|
| FT-2926-8-64 PRIMARY | Flexible Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| FLEX FLYTE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| FLEXFLYTE L-9 | 3/1 Design control — primary reference Flexible Technologies Inc |
| FLEX FLYTE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| SAE-AS8796 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MIL-H-8796 | 5/9 Secondary reference U.S. Government activity |
| GH510A | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| FLEX FLYTE L9 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4720-00-012-5509 is a Hose,air Duct, manufactured by Flexible Technologies Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-012-5509 has 1 manufacturer part number on file: FT-2926-8-64 (Flexible Technologies Inc).
11 possible matches (shared part number, not a government interchangeability claim): 4720-00-189-7827, 4720-00-230-1725, 4720-01-044-6696. Verify interchangeability with system specifications before substitution.
Key specifications for FT-2926-8-64: Measuring Method and Length: 32.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 6.000 INCHES IN; Connection Style: ROUND BOTH ENDS; Connection Type: SOFT 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.