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PartsTable / COMPONENT / C1856
C1856 ✓ Verified by PartsTable
— · COMPONENT
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 ATTENUATOR,VARIABLE is a the manufacturer industrial component. Key specifications include body_style: COAXIAL TYPE, power_rating: 600.0 MILLIWATTS AVERAGE, body_material: ALUMINUM, overall_width: 4.950 INCHES MAXIMUM IN, overall_height: 5.347 INCHES MINIMUM AND 5.405 INCHES MAXIMUM IN, overall_length: 6.490 INCHES MINIMUM AND 6.550 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-593-3211, 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
C1856
NSN: 5985-00-593-3211
FSC: 5985
CAGE: 94117 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DBA BAE SYSTEMS (USA)
SPECIFICATIONS
body_styleCOAXIAL TYPE
power_rating600.0 MILLIWATTS AVERAGE
body_materialALUMINUM
overall_width4.950 INCHES MAXIMUM IN
overall_height5.347 INCHES MINIMUM AND 5.405 INCHES MAXIMUM IN
overall_length6.490 INCHES MINIMUM AND 6.550 INCHES MAXIMUM IN
frequency_range1.250 MEGAHERTZ MINIMUM AND 1.350 MEGAHERTZ MAXIMUM
scale_linearityNONLINEAR
special_featuresDIAL PLATE TO E ETCHED ON BLACK ANODIZED ALUMINUM; ATTENUATOR TO BE PAINTED GREY ENAMEL; ENTIRE ASSEMBLY EXCEPT DIAL PLATE TO BE SPRAYED WITH CLEAR LACQUER
application_designTRANSMISSION LINE
fsc_application_dataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
operating_temp_range-30.0 TO 71.0 CELSIUS DEGC
NSN5985-00-593-3211
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ATTENUATOR,VARIABLE TITLE COMPONENT PN C1856 MFR ATTENUATOR,VARIABLE
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 5.860 INCHES NOMINAL IN
•
SCALE LINEARITY: NONLINEAR
•
VOLTAGE STANDING WAVE RATIO: 1.60
•
BODY MATERIAL: ALUMINUM
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 4.500 INCHES NOMINAL IN
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.196 INCHES NOMINAL IN
•
COAXIAL CONNECTOR SERIES DESIGNATION: BNC
•
STEP POSITION QUANTITY: 18
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH5.860 INCHES NOMINAL IN
SCALE LINEARITYNONLINEAR
VOLTAGE STANDING WAVE RATIO1.60
BODY MATERIALALUMINUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH4.500 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.196 INCHES NOMINAL IN
COAXIAL CONNECTOR SERIES DESIGNATIONBNC
STEP POSITION QUANTITY18
ATTENUATION VARIATION METHODSTEPPED
ATTENUATION PER STEP IN DECIBELS1.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
48-10-30Interchangeable
interchangeable cross-reference
interchangeable
AA59569R30T0562Interchangeable
interchangeable cross-reference
interchangeable
2250-9/16-30Interchangeable
interchangeable cross-reference
interchangeable
2179Interchangeable
interchangeable cross-reference
interchangeable
S181-500Interchangeable
interchangeable cross-reference
interchangeable
A-A-59282Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C1856?
C1856 is a ATTENUATOR,VARIABLE.
What parts can replace C1856?
There are 20 known substitutes for C1856: 48-10-30, AA59569R30T0562, 2250-9/16-30 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C1856?
C1856 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-593-3211. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026