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Technical Data Sheet
GM821B1 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The GM821B1 is a the manufacturer industrial component. Key specifications include overall_gain: 100.0 MILLIAMPERES, overall_width: 1.300 INCHES MAXIMUM IN, inclosure_type: ENCASED, overall_height: 0.725 INCHES NOMINAL IN, overall_length: 1.400 INCHES MAXIMUM IN, connection_type: COAXIAL RECEPTACLE REAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-012-0337, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO MRO_GENERAL GM821B1
NSN: 6625-01-012-0337
FSC: 6625
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
overall_gain100.0 MILLIAMPERES
overall_width1.300 INCHES MAXIMUM IN
inclosure_typeENCASED
overall_height0.725 INCHES NOMINAL IN
overall_length1.400 INCHES MAXIMUM IN
connection_typeCOAXIAL RECEPTACLE REAR
basic_shape_styleRECTANGULAR OR SQUARE
installation_designMECHANICAL
fsc_application_dataTEST SET,ELECT. EQUIP.
operating_temp_range-54.0 TO 100.0 CELSIUS DEGC
frequency_per_channel4.0 GIGAHERTZ MINIMUM OPERATING CHANNEL AND 12.0 GIGAHERTZ MAXIMUM OPERATING CHANNEL
attenuation_in_decibels6.0
NSN6625-01-012-0337
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GM821B1 TITLE COMPONENT PN GM821B1 MFR GM821B1
KEY FEATURES
BASIC SHAPE STYLE: RECTANGULAR OR SQUARE
ENVIRONMENTAL PROTECTION: GENERAL PURPOSE AND VIBRATION
OPERATING CONTROL METHOD: AUTOMATIC
OPERATING TEMP RANGE: -54.0 TO 100.0 CELSIUS DEGC
AVERAGE LIFE MEASUREMENT: NOT RATED
INSTALLATION DESIGN: MECHANICAL
VIBRATION RESISTANCE AMPLITUDE: 22.5 GRAVITATIONAL UNITS
TECHNICAL CHARACTERISTICS (FLIS)
BASIC SHAPE STYLERECTANGULAR OR SQUARE
ENVIRONMENTAL PROTECTIONGENERAL PURPOSE AND VIBRATION
OPERATING CONTROL METHODAUTOMATIC
OPERATING TEMP RANGE-54.0 TO 100.0 CELSIUS DEGC
AVERAGE LIFE MEASUREMENTNOT RATED
OVERALL WIDTH1.300 INCHES MAXIMUM IN
INSTALLATION DESIGNMECHANICAL
VIBRATION RESISTANCE AMPLITUDE22.5 GRAVITATIONAL UNITS
OVERALL GAIN100.0 MILLIAMPERES
CONNECTION CONTACT TYPE AND QUANTITY3 RECEPTACLE, COAXIAL EXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
M12-AUpgraded Successor
successor cross-reference
successor
9450-1012Upgraded Successor
successor cross-reference
successor
12502TYPEM12AInterchangeable
interchangeable cross-reference
interchangeable
1600-298362061Interchangeable
interchangeable cross-reference
interchangeable
12502Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GM821B1?
GM821B1 is a GM821B1. It is classified as a MRO (MRO_GENERAL).
What parts can replace GM821B1?
There are 5 known substitutes for GM821B1: M12-A, 9450-1012, 12502TYPEM12A and 2 more. Substitute compatibility should be verified for your specific system.
Is GM821B1 still available?
GM821B1 is currently cancelled.
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