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PartsTable / COMPONENT / 503-S 77
503-S 77 ✓ 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 TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, point_type: CONVENTIONAL, point_angle: 118.0 DEGREES NOMINAL, shank_style: STRAIGHT ROUND, flute_length: 0.187 INCHES NOMINAL IN, overall_length: 0.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5133-00-224-4029, 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
503-S 77
NSN: 5133-00-224-4029
FSC: 5133
CAGE: 65400 — GREENFIELD INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
point_typeCONVENTIONAL
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length0.187 INCHES NOMINAL IN
flute_quantity2
overall_length0.875 INCHES NOMINAL IN
shank_diameter0.018 INCHES NOMINAL IN
special_featuresJOBBERS LG; WIRE SIZE 77
cutting_end_styleGENERAL PURPOSE
nominal_cutting_diameter0.0180 INCHES IN
cutting_rotation_directionRIGHT-HAND
NSN5133-00-224-4029
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 503-S 77 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
POINT ANGLE: 118.0 DEGREES NOMINAL
•
CUTTING END STYLE: GENERAL PURPOSE
•
SPECIFICATION/STANDARD DATA: 05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
NOMINAL CUTTING DIAMETER: 0.0180 INCHES IN
•
SHANK STYLE: STRAIGHT ROUND
•
SHANK DIAMETER: 0.018 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
POINT ANGLE118.0 DEGREES NOMINAL
SPECIAL FEATURESJOBBERS LG; WIRE SIZE 77
CUTTING END STYLEGENERAL PURPOSE
SPECIFICATION/STANDARD DATA05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NOMINAL CUTTING DIAMETER0.0180 INCHES IN
SHANK STYLESTRAIGHT ROUND
SHANK DIAMETER0.018 INCHES NOMINAL IN
OVERALL LENGTH0.875 INCHES NOMINAL IN
CUTTING ROTATION DIRECTIONRIGHT-HAND
FLUTE QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
WE 2940Interchangeable
interchangeable cross-reference
interchangeable
41500Interchangeable
interchangeable cross-reference
interchangeable
861043Interchangeable
interchangeable cross-reference
interchangeable
13377Interchangeable
interchangeable cross-reference
interchangeable
64389HInterchangeable
interchangeable cross-reference
interchangeable
586095Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503-S 77?
503-S 77 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 503-S 77?
There are 23 known substitutes for 503-S 77: WE 2940, 41500, 861043 and 20 more. Substitute compatibility should be verified for your specific system.
Is 503-S 77 still available?
503-S 77 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026