PartsTable
Technical Data Sheet
PartsTable / MRO / A503-1
A503-1 ✓ 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include body_width: 1.360 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN, body_height: 2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM IN, body_length: 2.100 INCHES MINIMUM AND 2.140 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, overall_height: 3.860 INCHES MINIMUM AND 4.020 INCHES MAXIMUM IN, style_designator: RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-660-7378, 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→ A503-1
NSN: 5950-00-660-7378
FSC: 5950
CAGE: 05584 — AUTODYNE MANUFACTURING CO INC (USA)
SPECIFICATIONS
body_width1.360 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN
body_height2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM IN
body_length2.100 INCHES MINIMUM AND 2.140 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
overall_height3.860 INCHES MINIMUM AND 4.020 INCHES MAXIMUM IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
features_providedSHOCK RESISTANT
nominal_thread_size0.164 INCHES IN
operating_temp_range-65.0 TO 85.0 CELSIUS DEGC
load_impedance_per_function50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
maximum_voltage_drop_per_function1.15 VOLTS DC 2ND RADIO INTERFERENCE SECOND FUNCTION
mounting_facility_type_and_quantity8 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
NSN5950-00-660-7378
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN A503-1 MFR FILTER,RADIO FREQUENCY
KEY FEATURES
•
WINDING OPERATING VOLTAGE: 105.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
•
BODY HEIGHT: 1.438 INCHES NOMINAL IN
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
THREAD QUANTITY PER INCH: 40 SINGLE GROUP
•
TERMINAL TYPE AND QUANTITY: 11 TURRET
•
WINDING OPERATING CURRENT: 6.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
•
MAXIMUM OPERATING TEMP: 85.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS (FLIS)
WINDING OPERATING VOLTAGE105.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
BODY HEIGHT1.438 INCHES NOMINAL IN
INCLOSURE TYPEHERMETICALLY SEALED
THREAD QUANTITY PER INCH40 SINGLE GROUP
TERMINAL TYPE AND QUANTITY11 TURRET
WINDING OPERATING VOLTAGE115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
WINDING OPERATING CURRENT6.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
MAXIMUM OPERATING TEMP85.0 CELSIUS DEGC
BODY WIDTH1.438 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
41-3-11Interchangeable
interchangeable cross-reference
interchangeable
456201Interchangeable
interchangeable cross-reference
interchangeable
RA021UInterchangeable
interchangeable cross-reference
interchangeable
Z50134Interchangeable
interchangeable cross-reference
interchangeable
A503-1Interchangeable
interchangeable cross-reference
interchangeable
NAS907 TYFSZ11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A503-1?
A503-1 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A503-1?
There are 22 known substitutes for A503-1: 41-3-11, 456201, RA021U and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A503-1?
A503-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-660-7378. 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