The Switching Control,radio Frequenc, cataloged under National Stock Number 5895-01-645-2545, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5895-01-645-2545 |
| Primary Part Number | L4491A |
| Item Name | Switching Control,radio Frequenc |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 100.0 DC AND 200.0 DC |
| Storage Temp Range | -40.0 TO 70.0 CELSIUS DEGC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L4491A PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| L4491A | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5895-01-645-2545 is a Switching Control,radio Frequenc, manufactured by Keysight Technologies Inc, classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-01-645-2545 has 1 manufacturer part number on file: L4491A (Keysight Technologies Inc).
Key specifications for L4491A: Voltage in Volts and Current Type: 100.0 DC AND 200.0 DC; Storage Temp Range: -40.0 TO 70.0 CELSIUS DEGC; Special Features: IS A 4U LXI CLASS C INSTRUMENT;LXI, AN ACRONYM FOR LAN EXTENSIONS FOR I NSTRUMENTATION IS AN INSTRUMENTATION STARDARD FOR DEVICES THAT USE THE ETHERNET (LAN) AS THEIR PRIMARY COMMUNICATION INTERFACE;REFER TO THE PHYSICAL SIZE RELATIVE TO STANDARD EIA RACK CABINET DIMENSIONS; Part Name Assigned by Controlling Agency: RF SWITCH PLATFORM. 2 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.
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.