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PartsTable / COMPONENT / 257C010
257C010 ✓ 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 MICROPHONE ELEMENT is a the manufacturer industrial component. Key specifications include height: 0.250 INCHES NOMINAL IN, diameter: 1.125 INCHES NOMINAL IN, body_style: ROUND SHAPE, element_type: DYNAMIC, terminal_type: SURFACE CONTACT, impedance_rating: 5.0 OHMS NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-00-001-7593, 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
257C010
NSN: 5965-00-001-7593
FSC: 5965
CAGE: 78711 — TELEPHONICS CORP (USA)
SPECIFICATIONS
height0.250 INCHES NOMINAL IN
diameter1.125 INCHES NOMINAL IN
body_styleROUND SHAPE
element_typeDYNAMIC
terminal_typeSURFACE CONTACT
impedance_rating5.0 OHMS NOMINAL
polarity_connectionNOT REQUIRED
sound_pickup_directional_typeNOT RATED
frequency_response_range_in_hertz+300.0 TO 4000.0
NSN5965-00-001-7593
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROPHONE ELEMENT TITLE COMPONENT PN 257C010 MFR MICROPHONE ELEMENT
KEY FEATURES
•
HEIGHT: 0.250 INCHES NOMINAL IN
•
ELEMENT TYPE: DYNAMIC
•
SOUND PICKUP DIRECTIONAL TYPE: NOT RATED
•
TERMINAL TYPE: SURFACE CONTACT
•
IMPEDANCE RATING: 5.0 OHMS NOMINAL
•
POLARITY CONNECTION: NOT REQUIRED
•
DIAMETER: 1.125 INCHES NOMINAL IN
•
FREQUENCY RESPONSE RANGE IN HERTZ: +300.0 TO 4000.0
TECHNICAL CHARACTERISTICS (FLIS)
HEIGHT0.250 INCHES NOMINAL IN
ELEMENT TYPEDYNAMIC
SOUND PICKUP DIRECTIONAL TYPENOT RATED
TERMINAL TYPESURFACE CONTACT
IMPEDANCE RATING5.0 OHMS NOMINAL
POLARITY CONNECTIONNOT REQUIRED
DIAMETER1.125 INCHES NOMINAL IN
FREQUENCY RESPONSE RANGE IN HERTZ+300.0 TO 4000.0
BODY STYLEROUND SHAPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
TMC49-4Interchangeable
interchangeable cross-reference
interchangeable
M-87/AICInterchangeable
interchangeable cross-reference
interchangeable
M-95B/URInterchangeable
Same NIIN cross-reference
interchangeable
MIL-M-22179Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 257C010?
257C010 is a MICROPHONE ELEMENT.
What parts can replace 257C010?
There are 4 known substitutes for 257C010: TMC49-4, M-87/AIC, M-95B/UR and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 257C010?
257C010 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-00-001-7593. 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