PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

550Monitor,radio Frequency

General Microwave Corporation Div Kratos Microwave Electronics · NSN 6625-00-858-1188 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-858-1188 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-858-1188. Primary manufacturer part number: 550.
Features
  • Monitor,radio Frequency — FSC 6625
  • Frequency Per Channel: 2.0 MEGAHERTZ NOMINAL OPERATING CHANNEL
  • Inclosure Type: ENCASED
  • Circuit Construction Type: ELECTRON TUBE
  • Frequency Per Channel: 5.0 MEGAHERTZ NOMINAL OPERATING CHANNEL
  • Frequency Per Channel: 10.0 MEGAHERTZ NOMINAL OPERATING CHANNEL
  • Installation Design: PORTABLE
  • Indicator Device Type and Quantity: 1 CATHODE RAY TUBE AND 1 LOUDSPEAKER
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Monitor,radio Frequency, cataloged under National Stock Number 6625-00-858-1188, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is General Microwave Corporation Div Kratos Microwave Electronics. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-858-1188
Primary Part Number550
Item NameMonitor,radio Frequency
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerGeneral Microwave Corporation Div Kratos Microwave Electronics
StatusACTIVE
Frequency Per Channel2.0 MEGAHERTZ NOMINAL OPERATING CHANNEL
Inclosure TypeENCASED
Circuit Construction TypeELECTRON TUBE
Frequency Per Channel5.0 MEGAHERTZ NOMINAL OPERATING CHANNEL
Frequency Per Channel10.0 MEGAHERTZ NOMINAL OPERATING CHANNEL
Installation DesignPORTABLE
Indicator Device Type and Quantity1 CATHODE RAY TUBE AND 1 LOUDSPEAKER
Basic Shape StyleRECTANGULAR OR SQUARE
Frequency Per Channel400.0 KILOHERTZ NOMINAL OPERATING CHANNEL
Operating AC Frequency in Hertz60.0 NOMINAL SINGLE VOLTAGE
External AC Operating Voltage in Volts115.0 NOMINAL SINGLE VOLTAGE
Operating Control MethodMANUAL
Control TypeLOCAL
Frequency Per Channel15.0 MEGAHERTZ NOMINAL OPERATING CHANNEL
Average Life MeasurementNOT RATED
Average Power Rating Per Channel138.0 WATTS INPUT
Frequency Per Channel2.0 MEGAHERTZ NOMINAL OPERATING CHANNEL
Inclosure TypeENCASED
Circuit Construction TypeELECTRON TUBE
Frequency Per Channel5.0 MEGAHERTZ NOMINAL OPERATING CHANNEL
Frequency Per Channel10.0 MEGAHERTZ NOMINAL OPERATING CHANNEL
Installation DesignPORTABLE
Indicator Device Type and Quantity1 CATHODE RAY TUBE AND 1 LOUDSPEAKER
Basic Shape StyleRECTANGULAR OR SQUARE
Frequency Per Channel400.0 KILOHERTZ NOMINAL OPERATING CHANNEL
Operating AC Frequency in Hertz60.0 NOMINAL SINGLE VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6625-01-290-3916P-550 SUCCESSOR
Indicator,phase Sequence
Lloyd R Rodenbeck Jr Dba Anloy Technologies
Cross-Reference Index
Part NumberManufacturer
550 PRIMARY General Microwave Corporation Div Kratos Microwave Electronics (USA)
550 Kontron Europe Gmbh (DEU)
Related Parts
6625-01-290-3916SUCCESSOR
INDICATOR,PHASE SEQUENCE
P-550

Frequently Asked Questions

What is NSN 6625-00-858-1188?

NSN 6625-00-858-1188 is a Monitor,radio Frequency, manufactured by General Microwave Corporation Div Kratos Microwave Electronics, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-858-1188?

NSN 6625-00-858-1188 has 2 cross-referenced part numbers: 550 (General Microwave Corporation Div Kratos Microwave Electronics), 550 (Kontron Europe Gmbh).

What NSN replaces 6625-00-858-1188?

There is 1 known substitute for 6625-00-858-1188: 6625-01-290-3916. Verify interchangeability with system specifications before substitution.

What are the specifications of 550?

Key specifications for 550: Frequency Per Channel: 2.0 MEGAHERTZ NOMINAL OPERATING CHANNEL; Inclosure Type: ENCASED; Circuit Construction Type: ELECTRON TUBE; Frequency Per Channel: 5.0 MEGAHERTZ NOMINAL OPERATING CHANNEL. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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