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Technical Data Sheet
PartsTable / COMPONENT / 8557P1
8557P1 ✓ 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: STEEL CORROSION RESISTING BODY, body_style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE, power_rating: 2.0 WATTS AVERAGE AND 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK500.0 WATTS PEAK, overall_length: 2.460 INCHES NOMINAL2.460 INCHES NOMINAL IN, frequency_range: 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM18.000 GIGAHERTZ MAXIMUM, mounting_method: CONNECTORCONNECTOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-053-6069, 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
8557P1
NSN: 5985-01-053-6069
FSC: 5985
CAGE: 11332 — GENERAL MICROWAVE CORPORATION DIV KRATOS MICROWAVE ELECTRONICS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
body_styleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
power_rating2.0 WATTS AVERAGE AND 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK500.0 WATTS PEAK
overall_length2.460 INCHES NOMINAL2.460 INCHES NOMINAL IN
frequency_range0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM18.000 GIGAHERTZ MAXIMUM
mounting_methodCONNECTORCONNECTOR
overall_diameter0.810 INCHES MAXIMUM0.810 INCHES MAXIMUM IN
application_designTRANSMISSION LINETRANSMISSION LINE
terminal_type_and_quantity2 CONNECTOR2 CONNECTOR
voltage_standing_wave_ratio1.15 AND 1.15 AND 1.20 AND 1.20 AND 1.25 AND 1.25 AND 1.401.40
connection_type_per_functionFEMALE INPUT AND FEMALE INPUT AND MALE OUTPUTMALE OUTPUT
input_impedance_rating_in_ohms50.050.0
NSN5985-01-053-6069
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN 8557P1 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
MOUNTING METHOD: CONNECTORCONNECTOR
•
COAXIAL CONNECTOR SERIES DESIGNATION: NN
•
RF SIGNAL ATTENUATION IN DECIBELS: 3.03.0
•
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE: +0.0 TO 4.0 GIGAHERTZ AND +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ+12.4 TO 18.0 GIGAHERTZ
•
BODY STYLE: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
•
FREQUENCY RANGE: 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM18.000 GIGAHERTZ MAXIMUM
•
POWER RATING: 2.0 WATTS AVERAGE AND 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK500.0 WATTS PEAK
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODCONNECTORCONNECTOR
COAXIAL CONNECTOR SERIES DESIGNATIONNN
RF SIGNAL ATTENUATION IN DECIBELS3.03.0
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE+0.0 TO 4.0 GIGAHERTZ AND +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ+12.4 TO 18.0 GIGAHERTZ
OVERALL LENGTH2.460 INCHES NOMINAL2.460 INCHES NOMINAL IN
BODY STYLEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
FREQUENCY RANGE0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM18.000 GIGAHERTZ MAXIMUM
POWER RATING2.0 WATTS AVERAGE AND 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK500.0 WATTS PEAK
OVERALL DIAMETER0.810 INCHES MAXIMUM0.810 INCHES MAXIMUM IN
OUTPUT IMPEDANCE RATING IN OHMS50.050.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
BB7118A1Interchangeable
interchangeable cross-reference
interchangeable
BB7118AInterchangeable
interchangeable cross-reference
interchangeable
001-27965Interchangeable
interchangeable cross-reference
interchangeable
A-A-52440-1B-7Interchangeable
interchangeable cross-reference
interchangeable
4342Interchangeable
interchangeable cross-reference
interchangeable
388-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8557P1?
8557P1 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace 8557P1?
There are 17 known substitutes for 8557P1: BB7118A1, BB7118A, 001-27965 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8557P1?
8557P1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-053-6069. 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