The Sensor,proximity,ai, cataloged under National Stock Number 5905-01-550-4229, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Sensor,proximity,ai |
| FSC / FSG | 5905 — Resistor (FSG 59) |
| Manufacturers | Northrop Grumman Systems Corporation Div Marine Systems (CAGE 04804); Modern Controls Corporation (CAGE 66258) |
| Parameter | Value |
|---|---|
| NSN | 5905-01-550-4229 |
| Primary Part Number | 2056AS0519-1 |
| Item Name | Sensor,proximity,ai |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2056AS0519-1 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 550-070 | Modern Controls Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2056AS0519-1 | 3/2 Design control — primary reference U.S. Government activity |
| 550-064 / 2056AS0519-1 | 5/9 Secondary reference Modern Controls Corporation |
| 2056AS0519-1 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5905-01-550-4229 is a Sensor,proximity,ai, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-550-4229 has 2 manufacturer part numbers on file: 2056AS0519-1 (Northrop Grumman Systems Corporation Div Marine Systems), 550-070 (Modern Controls Corporation).
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 5905-01-550-4229 has DEMIL Code B. 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.