The Multiplexer, cataloged under National Stock Number 5895-01-559-9477, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5895-01-559-9477 |
| Primary Part Number | 8165186-03 |
| Item Name | Multiplexer |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West |
| Status | ACTIVE |
| Phase | SINGLE FIRST OPERATING POWER RQMT |
| AC Voltage Rating | 90.0 VOLTS MINIMUM AND 250.0 VOLTS MAXIMUM FIRST OPERATING POWER RQMT |
| Multiplexing Method | TIME DIVISION |
| Supplementary Features | RACK MOUNTABLE IN A STANDARD 19 INCH RACK; ITEM SHALL NOT EXCEED 25 POUNDS; NON-OPER TEMP -32 TO +65 DEG C; NON-OPER ALTITUDE UP TO 50,000 FT ABOVE MEAN SEA LEVEL; OPER TEMP 0 TO +60 DEG C; OPER ALTITUDE UP TO 8,000 FT ABOVE MEAN SEA LEVEL; MTBF 25,000 HRS FOR A 45 DEG C GROUND FIXED UNCONTROLLED ENVIRONMENT; LBS |
| Criticality Code Justification | FEAT |
| Functional Description | WILL PROVIDE THE FUNCTIONALITY FOR MULTIPLEXING UPLINK DATA STREAMS AND DE-MULTIPLEXING DOWNLINK DATA STREAMS; PROVIDES FULL-DUPLEX CAPABILITY AND WILL INTERFACE THE GROUND USER EQUIPMENT WITH THE SATELLITE MODERN COMMUNICATIONS AND ORDERWIRE MUDLUATORS AND DEMODULATORS; SYNCHRONOUS DATA INPUTS OF MIXED DATA RATES WILL BE MULTIPLEXED INTO A SINGLE SUPER-GROUP OUTPUT AND SENT TO THE SATELLITE MODERN MODULATORS FOR TRANSMISSION; RECEIVED SUPER-GROUPS WILL BE RECEIVED FROM THE SATELLITE MODERN DEMODULATORS AND DEMULTIPLEXED INTO THEIR RESPECTIVE GROUPS AND DELIVERED TO THE SIGNAL ENTRY PANEL (SEP) FOR USER ACCESS; INDIVIDUAL SUBSCRIBER PORTS ARE CAPABLE OF LOOPBACK IN BOTH THE SUBSCRIBER AND AGGREGATE DIRECTION BY COMMAND THROUGH A RS-485 PORT |
| Frequency Rating | 47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM FIRST OPERATING POWER RQMT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | Y |
| Unit of Issue | EA |
| Acquisition advice code | CD |
| Weight | 2.0000 lbs |
| Cube | 0.5208 cu ft |
| Part Number | Manufacturer |
|---|---|
| 8165186-03 | L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (USA) |
| Reference | Meaning |
|---|---|
| 2021121-001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5895-01-559-9477 is a Multiplexer, manufactured by L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West, classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-01-559-9477 has 1 manufacturer part number on file: 8165186-03 (L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West).
Key specifications for 8165186-03: Overall Height: 5.250 INCHES MAXIMUM IN; Phase: SINGLE FIRST OPERATING POWER RQMT; AC Voltage Rating: 90.0 VOLTS MINIMUM AND 250.0 VOLTS MAXIMUM FIRST OPERATING POWER RQMT; Multiplexing Method: TIME DIVISION. 7 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 5895-01-559-9477 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.