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PartsTable / COMPONENT / H-143/A1C
H-143/A1C ✓ 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 H-143/A1C is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-00-615-0104, 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
H-143/A1C
NSN: 5965-00-615-0104
FSC: 5965
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberH-143/A1C
NSN5965-00-615-0104
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available H-143/A1C TITLE COMPONENT PN H-143/A1C MFR H-143/A1C
KEY FEATURES
•
TERMINAL QUANTITY: 2
•
ACOUSTIC SENSITIVITY REFERENCE RATING: NOT RATED
•
NONDEFINITIVE SPEC/STD DATA: 35.000GM WEIGHT
•
EARPHONE ELEMENT DEPTH: 0.435 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN
•
IMPEDANCE RATING IN OHMS: 19.0 NOMINAL
•
FREQUENCY RESPONSE RANGE IN HERTZ: +100.0 TO 5000.0
•
TERMINAL TYPE: SETSCREW
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL QUANTITY2
SPECIAL FEATURESDYNAMIC TYPE ELEMENT WITH 20 OHM NOMINAL IMPEDANCE AND A FREQUENCY RESPONSE OF 200 TO 6000 HZ; USED ON SEVERAL HEADSET-MICROPHONES AND HEADSETS
ACOUSTIC SENSITIVITY REFERENCE RATINGNOT RATED
NONDEFINITIVE SPEC/STD DATA35.000GM WEIGHT
EARPHONE ELEMENT DEPTH0.435 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN
IMPEDANCE RATING IN OHMS19.0 NOMINAL
FREQUENCY RESPONSE RANGE IN HERTZ+100.0 TO 5000.0
TERMINAL TYPESETSCREW
OVERALL DIAMETER1.971 INCHES MINIMUM AND 1.986 INCHES MAXIMUM IN
TEST DATA DOCUMENT81349-MIL-E-25670 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
B107.110Interchangeable
interchangeable cross-reference
interchangeable
11-414Interchangeable
interchangeable cross-reference
interchangeable
MS15444-64Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYCInterchangeable
interchangeable cross-reference
interchangeable
13326Interchangeable
interchangeable cross-reference
interchangeable
42570Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H-143/A1C?
H-143/A1C is a H-143/A1C.
What parts can replace H-143/A1C?
There are 31 known substitutes for H-143/A1C: B107.110, 11-414, MS15444-64 and 28 more. Substitute compatibility should be verified for your specific system.
Is H-143/A1C still available?
H-143/A1C 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