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A7678 — MICROPHONE,DYNAMIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A7678: MICROPHONE,DYNAMIC.

The MICROPHONE,DYNAMIC is a the manufacturer industrial component. Key specifications include height: 9.625 INCHES NOMINAL IN, length: 3.250 INCHES NOMINAL IN, diameter: 2.000 INCHES NOMINAL IN, body_style: STAND TYPE W/ OR W/O STAND, switch_type: PUSH, overall_width: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5965-00-377-0301, 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
A7678
NSN: 5965-00-377-0301
NIINs: 003770301, 006868311
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
CAGE: 88113 — HBC SOLUTIONS, INC. DBA HARRIS BROADCAST (USA)
SPECIFICATIONS
height9.625 INCHES NOMINAL IN
length3.250 INCHES NOMINAL IN
diameter2.000 INCHES NOMINAL IN
body_styleSTAND TYPE W/ OR W/O STAND
switch_typePUSH
overall_width0.250 INCHES NOMINAL IN
overall_height0.015 INCHES NOMINAL IN
overall_length0.531 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
impedance_rating50.0 OHMS NOMINAL
style_designatorFLAT, RECTANGULAR
first_hole_spacing0.140 INCHES NOMINAL IN
NSN5965-00-377-0301
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROPHONE,DYNAMIC TITLE COMPONENT PN A7678 MFR MICROPHONE,DYNAMIC
KEY FEATURES
•
LENGTH: 3.250 INCHES NOMINAL IN
•
BODY STYLE: STAND TYPE W/ OR W/O STAND
•
MOUNTING METHOD: THREADED BUSHING
•
SOUND PICKUP DIRECTIONAL TYPE: SEMIDIRECTIONAL
•
CONNECTOR IDENTIFICATION: 91MC4M
•
FREQUENCY RESPONSE RANGE IN HERTZ: +45.0 TO 8000.0
•
EXTENDED CABLE LENGTH: 10.0 FEET NOMINAL FT
•
DIAMETER: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH3.250 INCHES NOMINAL IN
BODY STYLESTAND TYPE W/ OR W/O STAND
MOUNTING METHODTHREADED BUSHING
SOUND PICKUP DIRECTIONAL TYPESEMIDIRECTIONAL
CONNECTOR IDENTIFICATION91MC4M
FREQUENCY RESPONSE RANGE IN HERTZ+45.0 TO 8000.0
EXTENDED CABLE LENGTH10.0 FEET NOMINAL FT
DIAMETER2.000 INCHES NOMINAL IN
CONNECTOR MANUFACTURER CODE74868
POLARITY CONNECTIONNOT REQUIRED
SUBSTITUTES & CROSS-REFERENCES 7
M0DEL605Reference document
Same NSN cross-reference
Reference document — Secondary reference
TYPED7Reference document
Same NSN cross-reference
Reference document — Secondary reference
MOD 628Reference document
Same NSN cross-reference
Reference document — Secondary reference
622-9866Reference document
Same NSN cross-reference
Reference document — Secondary reference
628-4840Reference document
Same NSN cross-reference
Reference document — Secondary reference
622-1058Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A7678?
A7678 is a MICROPHONE,DYNAMIC.
What parts can replace A7678?
There are 7 known substitutes for A7678: M0DEL605, TYPED7, MOD 628 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A7678?
A7678 is cataloged in the U.S. Government catalog under NSN 5965-00-377-0301. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.