The Hose Assembly,air Duct, cataloged under National Stock Number 4720-00-076-4082, 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 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-076-4082 |
| Primary Part Number | GH511DA1 |
| Item Name | Hose Assembly,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Minimum Inside Bending Radius | 5.250 INCHES IN |
| Connection Type | COUPLING FIRST END |
| Connection Type | COUPLING SECOND END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Coupling Style | RECESSED FLANGE FIRST END |
| Coupling Style | BEADED SECOND END |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 49.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Inside Diameter | 3.000 INCHES NOMINAL FIRST END IN |
| Material | STEEL CORROSION RESISTING FIRST END COUPLING |
| Material | STEEL CORROSION RESISTING SECOND END COUPLING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| GH511DA1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| GRU1008 | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| 0423-0300-0105 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 0423-0300-0105 | 5/9 Secondary reference Flexible Technologies Inc |
| FT-1980 | 5/9 Secondary reference Flexible Technologies Inc |
NSN 4720-00-076-4082 is a Hose Assembly,air Duct, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-076-4082 has 2 manufacturer part numbers on file: GH511DA1 (Northrop Grumman Systems Corporation), GRU1008 (Flexfab Llc).
Key specifications for GH511DA1: Minimum Inside Bending Radius: 5.250 INCHES IN; Connection Type: COUPLING FIRST END; Connection Type: COUPLING SECOND END; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. 11 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.
NSN 4720-00-076-4082 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.