NSN 5820-01-657-0561 · NIIN 016570561 · Part number FSII-BASE
Clear-Com Intercom Systems · FSC 5820 — Radio and Television Communication Equipment, Except Airborne · FSG 58 — Communication, Detection, and Coherent Radiation Equipment · CAGE 55929
Government record, cited
NSN 5820-01-657-0561 — this item is cataloged by the U.S. Government under National Stock Number 5820-01-657-0561. Manufacturer of record part number: FSII-BASE.
Also searched as5820-01-657-0561 ·
5820016570561 ·
NIIN 016570561 ·
01-657-0561 ·
FSC 5820 Radio and Television Communication Equipment, Except Airborne · CAGE 55929 · FSII-BASE
Nearby stock numbers← 5820-01-657-0288 Receiver-Transmitter, Radio
·
5820-01-657-1490 Receiver-Transmitter, Radio →
Features
Base Station,radio Set — FSC 5820
Component Document Origin: INDUSTRIAL
Receiver Frequency Rating: 100.00 HERTZ NOMINAL AND 7.1 KILOHERTZ MAXIMUM
Maximum Power Dissipation Rating: 50.0 WATTS
1 manufacturer part number on file
Manufacturer of record: Clear-Com Intercom Systems
Identification
NSN: 5820-01-657-0561
NIIN: 016570561
FSC: 5820 — Radio and Television Communication Equipment, Except Airborne
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: FSII-BASE
Manufacturer: Clear-Com Intercom Systems
General Description
The Base Station,radio Set, cataloged under National Stock Number 5820-01-657-0561, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Clear-Com Intercom Systems. Government technical data includes 3 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5820-01-657-0561
Primary Part Number
FSII-BASE
Item Name
Base Station,radio Set
FSC / FSG
5820 / 58 — Radio and Television Communication Equipment, Except Airborne
Manufacturer
Clear-Com Intercom Systems
Status
ACTIVE
Component Document Origin
INDUSTRIAL
Receiver Frequency Rating
100.00 HERTZ NOMINAL AND 7.1 KILOHERTZ MAXIMUM
Maximum Power Dissipation Rating
50.0 WATTS
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 5820 — Radio and Television Communication Equipment, Except Airborne
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5820-00-000-0978
5820-00-000-0978 · Item name not on file
5820-00-001-1375
5820-00-001-1375 · Item name not on file
5820-00-001-1379
INSTALLATION KIT,ELECTRONIC EQUI
5820-00-001-1387
5820-00-001-1387 · Item name not on file
5820-00-001-2529
5820-00-001-2529 · Item name not on file
5820-00-001-2530
5820-00-001-2530 · Item name not on file
5820-00-001-2531
5820-00-001-2531 · Item name not on file
5820-00-001-2532
5820-00-001-2532 · Item name not on file
Frequently Asked Questions
What is NSN 5820-01-657-0561?
NSN 5820-01-657-0561 is a Base Station,radio Set, manufactured by Clear-Com Intercom Systems, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
What part numbers are listed for NSN 5820-01-657-0561?
NSN 5820-01-657-0561 has 1 manufacturer part number on file: FSII-BASE (Clear-Com Intercom Systems).
What are the specifications of FSII-BASE?
Key specifications for FSII-BASE: Component Document Origin: INDUSTRIAL; Receiver Frequency Rating: 100.00 HERTZ NOMINAL AND 7.1 KILOHERTZ MAXIMUM; Special Features: WAVE KNIGHTY,TWO PARTY LINES AND FOUR 4-WIRES PLUS A DEDICATED SA OUTPUT AND DEDICATED PROGRAM AUDIO INPUT.BASE-TO-BELTPACK FREQUENCY REPONSE:100 HZ-7.1 KHZ. KHz; Part Name Assigned by Controlling Agency: FREE SPEAK II-BASE. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5820-01-657-0561 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.