The Interface Device, cataloged under National Stock Number 4920-01-240-5437, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Alliant Techsystems Operations Llc Div Defense Electronic Systems. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-240-5437 |
| Primary Part Number | 2636866 |
| Item Name | Interface Device |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Alliant Techsystems Operations Llc Div Defense Electronic Systems |
| Status | ACTIVE |
| FSC Application Data | AN/ALM-78 TEST SET COUNTERMEASURES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| OTPH204-1000-001 | Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA) |
| 2636866 PRIMARY | Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA) |
NSN 4920-01-240-5437 is a Interface Device, manufactured by Alliant Techsystems Operations Llc Div Defense Electronic Systems, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-240-5437 has 2 manufacturer part numbers on file: OTPH204-1000-001 (Alliant Techsystems Operations Llc Div Defense Electronic Systems), 2636866 (Alliant Techsystems Operations Llc Div Defense Electronic Systems).
Key specifications for 2636866: FSC Application Data: AN/ALM-78 TEST SET COUNTERMEASURES; End Item Identification: F/A-18A ACFT A. 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 4920-01-240-5437 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.