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649B — MICROPHONE,DYNAMIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

649B: MICROPHONE,DYNAMIC.

The MICROPHONE,DYNAMIC is a the manufacturer industrial component. Key specifications include length: 2.250 INCHES NOMINAL IN, diameter: 0.750 INCHES NOMINAL IN, material: STEEL OVERALL, nut_style: CAP, body_style: LAVALIER, nut_height: 1.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5965-00-099-0688, 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
649B
NSN: 5965-00-099-0688
NIINs: 000990688, 002170719, 003933584, 013415188
FSC: 5965 — Headsets, Handsets, Microphones and Speakers
CAGE: 81134 — BOSCH SECURITY SYSTEMS, INC DBA USE CAGE CODE 25734 FOR CATALOGING DIV COMMUNICATIONS DIVISION (USA)
SPECIFICATIONS
length2.250 INCHES NOMINAL IN
diameter0.750 INCHES NOMINAL IN
materialSTEEL OVERALL
nut_styleCAP
body_styleLAVALIER
nut_height1.375 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
mounting_methodCORD
impedance_rating50.0 OHMS MINIMUM AND 250.0 OHMS MAXIMUM
thread_directionRIGHT-HAND
width_across_flats1.142 INCHES NOMINAL IN
NSN5965-00-099-0688
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROPHONE,DYNAMIC TITLE COMPONENT PN 649B MFR MICROPHONE,DYNAMIC
KEY FEATURES
•
LENGTH: 2.250 INCHES NOMINAL IN
•
BODY STYLE: LAVALIER
•
MOUNTING METHOD: CORD
•
SOUND PICKUP DIRECTIONAL TYPE: OMNIDIRECTIONAL
•
FREQUENCY RESPONSE RANGE IN HERTZ: +80.0 TO 10000.0
•
EXTENDED CABLE LENGTH: 30.0 FEET NOMINAL FT
•
DIAMETER: 0.750 INCHES NOMINAL IN
•
POLARITY CONNECTION: NOT REQUIRED
TECHNICAL CHARACTERISTICS
LENGTH2.250 INCHES NOMINAL IN
BODY STYLELAVALIER
MOUNTING METHODCORD
SOUND PICKUP DIRECTIONAL TYPEOMNIDIRECTIONAL
FREQUENCY RESPONSE RANGE IN HERTZ+80.0 TO 10000.0
EXTENDED CABLE LENGTH30.0 FEET NOMINAL FT
DIAMETER0.750 INCHES NOMINAL IN
POLARITY CONNECTIONNOT REQUIRED
CABLE SHIELDED CONDUCTOR QUANTITY2
IMPEDANCE RATING50.0 OHMS MINIMUM AND 250.0 OHMS MAXIMUM
SUBSTITUTES & CROSS-REFERENCES 2
LM90Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
US649BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 649B?
649B is a MICROPHONE,DYNAMIC.
What parts can replace 649B?
There are 2 known substitutes for 649B: LM90, US649B. Substitute compatibility should be verified for your specific system.
What is the NSN for 649B?
649B is cataloged in the U.S. Government catalog under NSN 5965-00-099-0688. This indicates validated use in U.S. government and defense supply chains.
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