The Hose,air Duct, cataloged under National Stock Number 4720-00-067-6375, 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 Div Northrop Grumman Aeronautics Systems. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-00-067-6375 |
| Primary Part Number | GD10A16C53 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Measuring Method and Length | 26.500 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 |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 16.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Specification/standard Data | 81349-MIL-H-8796 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 2 TYPE AND 2 CLASS |
| Inside Diameter | 4.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.550 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 4.000 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL REINFORCING WIRE |
| Material | FIBERGLASS AND RESIN FIRST PLY |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR REINFORCING CORD |
| 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 |
|---|---|
| GD10A16C53 PRIMARY | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (USA) |
| GD10A16C53 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS8796 | 3/1 Design control — primary reference Sae International Dba Sae International |
| IT-101 | 3/1 Design control — primary reference Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc |
| CEETS-16-106-6 | 5/1 Secondary reference Hbd Industries, Inc Div Hbd/thermoid Inc |
| WC031-4.00-106-6 | 5/1 Secondary reference Arrowhead Products Corp |
| MIL-H-8796 | 5/9 Secondary reference U.S. Government activity |
| KNF-1-5-N-1 | 3/1 Design control — primary reference Kirkhill, Inc. Dba Kirkhill Inc |
| NEOFAB-2 | 3/1 Design control — primary reference Flexfab Llc |
| FLEXFLYTE L-1 | 3/1 Design control — primary reference Flexible Technologies Inc |
NSN 4720-00-067-6375 is a Hose,air Duct, manufactured by Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-067-6375 has 2 manufacturer part numbers on file: GD10A16C53 (Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems), GD10A16C53 (Northrop Grumman Systems Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 4720-00-165-9677, 4720-00-780-7422, 4720-00-814-0090. Verify interchangeability with system specifications before substitution.
Key specifications for GD10A16C53: Measuring Method and Length: 26.500 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 2.000 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.