The Hose,air Duct, cataloged under National Stock Number 4720-00-481-2425, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-481-2425 |
| Primary Part Number | GD10A16C74 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Measuring Method and Length | 37.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 2.000 INCHES IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | SOFT BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Material Document and Classification | QQ-W-423,FORM 1,COMP 302,COND 3 FED SPEC SINGLE MATERIAL RESPONSE SECOND PLY |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 16.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Specification/standard Data | 81349-MIL-8796 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 2 TYPE AND 2 CLASS |
| Inside Diameter | 4.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.500 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 4.000 INCHES NOMINAL BOTH ENDS IN |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY |
| Material | STEEL REINFORCING WIRE |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR REINFORCING CORD |
| 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 |
|---|---|
| GD10A16C74 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| CEETS-16-148-6 PRIMARY | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
| WC031-4.00-148-6 PRIMARY | Arrowhead Products Corp (USA) |
| Reference | Meaning |
|---|---|
| NEOFAB-2 | 3/1 Design control — primary reference Flexfab Llc |
| SAE-AS8796 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MIL-H-8796 | 5/9 Secondary reference U.S. Government activity |
| FLEXFLYTE L-1 | 3/1 Design control — primary reference Flexible Technologies Inc |
NSN 4720-00-481-2425 is a Hose,air Duct, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-481-2425 has 3 manufacturer part numbers on file: GD10A16C74 (Northrop Grumman Systems Corporation), CEETS-16-148-6 (Hbd Industries, Inc Div Hbd/thermoid Inc), WC031-4.00-148-6 (Arrowhead Products Corp).
Key specifications for GD10A16C74: Measuring Method and Length: 37.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 2.000 INCHES IN; Connection Style: ROUND BOTH ENDS; Connection Type: SOFT BOTH ENDS. 17 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.