The Lockout Actuator,ai, cataloged under National Stock Number 1710-01-550-4205, is classified within Federal Supply Class 1710 (Aircraft Landing Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The manufacturer of record is Allenair Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1710-01-550-4205 |
| Primary Part Number | EV1 1/8-31 |
| Item Name | Lockout Actuator,ai |
| FSC / FSG | 1710 / 17 — Aircraft Landing Equipment |
| Manufacturer | Allenair Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| EV1 1/8-31 | Allenair Corp (USA) |
| Reference | Meaning |
|---|---|
| 2056AS0404-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Marine Systems |
| 2056AS0404-2 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 2056AS0404 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 2056AS0404-1 | 3/9 Design control — primary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 2056AS0404-2 | 5/9 Secondary reference Allenair Corp |
| 2056AS0404-2/120/60 CS#1 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Marine Systems |
NSN 1710-01-550-4205 is a Lockout Actuator,ai, manufactured by Allenair Corp, classified under FSC 1710, Aircraft Landing Equipment. Status: active.
NSN 1710-01-550-4205 has 1 manufacturer part number on file: EV1 1/8-31 (Allenair Corp).
Key specifications for EV1 1/8-31: Part Name Assigned by Controlling Agency: LOCKOUT ACTUATOR. 0 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 1710-01-550-4205 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.