The Clamshell,aircraft,, cataloged under National Stock Number 1680-01-501-8288, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hydraflow. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-501-8288 |
| Primary Part Number | LC139-40A |
| Item Name | Clamshell,aircraft, |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 74B830179-123 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 74B830179-123 | The Boeing Company Div Defense (USA) |
| LC139-40A PRIMARY | Hydraflow (USA) |
NSN 1680-01-501-8288 is a Clamshell,aircraft,, manufactured by Hydraflow, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-501-8288 has 3 manufacturer part numbers on file: 74B830179-123 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 74B830179-123 (The Boeing Company Div Defense), LC139-40A (Hydraflow).
Key specifications for LC139-40A: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: (INAVY)CLAMSHELL,AIRCRAFT MATERIAL; End Item Identification: WARM AIR SYSTEM INSTALLATION;F/A-18E/F. 1 specification is 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 1680-01-501-8288 has DEMIL Code D. 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.