The Hose,air Duct, cataloged under National Stock Number 4720-01-044-5305, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Flexfab Llc. The record lists 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Northrop Grumman Systems Corporation (CAGE 26512); Flexfab Llc (CAGE 16632) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-044-5305 |
| Primary Part Number | GRU1012 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexfab Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| GD515V1 | Northrop Grumman Systems Corporation (USA) |
| GRU1012 PRIMARY | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| GD515V | 5/1 Secondary reference Northrop Grumman Systems Corporation |
| KRCD4873 | 5/9 Secondary reference Kirkhill, Inc. Dba Kirkhill Inc |
| 0423-0000-0100 | 5/9 Secondary reference Flexible Technologies Inc |
| 0423-0000-0100 | 5/9 Secondary reference Flexfab Llc |
NSN 4720-01-044-5305 is a Hose,air Duct, manufactured by Flexfab Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-044-5305 has 2 manufacturer part numbers on file: GD515V1 (Northrop Grumman Systems Corporation), GRU1012 (Flexfab Llc).
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.