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Technical Data Sheet
PartsTable / COMPONENT / PPA-20-3
PPA-20-3 ✓ 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,FIXED is a the manufacturer industrial component. Key specifications include material: BERYLLIUM COPPER (USE CUB000) BODY, body_style: RECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES, power_rating: 20.0 WATTS AVERAGE, overall_width: 0.515 INCHES NOMINAL IN, overall_height: 0.150 INCHES MAXIMUM IN, overall_length: 0.750 INCHES NOMINAL 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 5985-01-221-8255, 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
PPA-20-3
NSN: 5985-01-221-8255
FSC: 5985
CAGE: 64537 — CAES SYSTEMS LLC (USA)
SPECIFICATIONS
materialBERYLLIUM COPPER (USE CUB000) BODY
body_styleRECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES
power_rating20.0 WATTS AVERAGE
overall_width0.515 INCHES NOMINAL IN
overall_height0.150 INCHES MAXIMUM IN
overall_length0.750 INCHES NOMINAL IN
frequency_range0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM
mounting_methodTERMINAL
special_featuresWEAPON SYSTEM ESSENTIAL
precious_materialGOLD
application_designTRANSMISSION LINE
operating_temp_range-55.0 TO 150.0 CELSIUS DEGC
NSN5985-01-221-8255
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ATTENUATOR,FIXED TITLE COMPONENT PN PPA-20-3 MFR ATTENUATOR,FIXED
KEY FEATURES
•
APPLICATION DESIGN: TRANSMISSION LINE
•
ATTENUATION ACCURACY IN DECIBELS: -0.50 TO 0.50
•
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE: +0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 2.5 GIGAHERTZ AND +2.5 TO 4.0 GIGAHERTZ
•
TERMINAL TYPE AND QUANTITY: 2 RIBBON AND 1 SURFACE CONTACT
TECHNICAL CHARACTERISTICS (FLIS)
APPLICATION DESIGNTRANSMISSION LINE
OVERALL HEIGHT0.150 INCHES MAXIMUM IN
ATTENUATION ACCURACY IN DECIBELS-0.50 TO 0.50
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE+0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 2.5 GIGAHERTZ AND +2.5 TO 4.0 GIGAHERTZ
TERMINAL TYPE AND QUANTITY2 RIBBON AND 1 SURFACE CONTACT
OVERALL LENGTH0.750 INCHES NOMINAL IN
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
END ITEM IDENTIFICATIONNSN: 5895-00-222-4224 COMMUNICATIONS SYSTEM; WSD: ARC-182 AIRBORNE RADIO, COMMUNICATION; HELICOPTER, RH-53; HELICOPTER, CARRIER BASED ASW, SH-60F; AIRCRAFT, VIKING S-3B; HELICOPTER, CH-53A/D/E; AIRCRAFT, HAWKEYE E-2C; AIRCRAFT, INTRUDER A-6E; HELICOPTER, SEA KNIGHT H-46; HELICOPTER, LAMPS MARK III, SH-60B A
CRITICALITY CODE JUSTIFICATIONFEAT
MOUNTING METHODTERMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
9N12113AInterchangeable
interchangeable cross-reference
interchangeable
9N12113A1Interchangeable
interchangeable cross-reference
interchangeable
1846020Interchangeable
interchangeable cross-reference
interchangeable
5403Interchangeable
interchangeable cross-reference
interchangeable
70380902Interchangeable
interchangeable cross-reference
interchangeable
3181-2241-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PPA-20-3?
PPA-20-3 is a ATTENUATOR,FIXED.
What parts can replace PPA-20-3?
There are 22 known substitutes for PPA-20-3: 9N12113A, 9N12113A1, 1846020 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PPA-20-3?
PPA-20-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-221-8255. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026