The Data Acquisition Unit, cataloged under National Stock Number 6610-01-522-0222, is classified within Federal Supply Class 6610 (Flight Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is L3harris Technologies, Inc. Dba L3harris Technologies Div Sas1. Government technical data includes 8 specifications, 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 | 6610-01-522-0222 |
| Primary Part Number | 991450-043 |
| Item Name | Data Acquisition Unit |
| FSC / FSG | 6610 / 66 — Flight Instruments |
| Manufacturer | L3harris Technologies, Inc. Dba L3harris Technologies Div Sas1 |
| Status | ACTIVE |
| Precious Material | SILVER |
| Alternating Current Voltage Rating in Volts | 250.00 |
| Supplementary Features | OPERATING RANGE: -40C TO 70C |
| Storage Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Precious Material and Location | CONTACT MATERIAL SILVER |
| Functional Description | MAXIMUM ISOLATION VOLTAGE: 250V, CHANNEL-TO-CHANNEL ISOLATION: NO ISOLATION CHANNELS, TRANSIENT OVERVOLTAGE: 2,300V V |
| Type/model Designation | RLY-422 |
| Current Rating in Amps | 3.0 |
| 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 |
|---|---|
| 777518-422 | National Instruments Corp (USA) |
| 991450-043 PRIMARY | L3harris Technologies, Inc. Dba L3harris Technologies Div Sas1 (USA) |
NSN 6610-01-522-0222 is a Data Acquisition Unit, manufactured by L3harris Technologies, Inc. Dba L3harris Technologies Div Sas1, classified under FSC 6610, Flight Instruments. Status: active.
NSN 6610-01-522-0222 has 2 manufacturer part numbers on file: 777518-422 (National Instruments Corp), 991450-043 (L3harris Technologies, Inc. Dba L3harris Technologies Div Sas1).
Key specifications for 991450-043: Precious Material: SILVER; Alternating Current Voltage Rating in Volts: 250.00; Supplementary Features: OPERATING RANGE: -40C TO 70C; Storage Temp Range: -55.0 TO 85.0 CELSIUS DEGC. 8 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 6610-01-522-0222 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.