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Technical Data Sheet
PartsTable / COMPONENT / OTSMK1
OTSMK1 ✓ 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,CRYSTAL is a the manufacturer industrial component. Key specifications include end_item_identification: DIVERS MASK WITH TWO-WAY COMMUNICATION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-01-283-2531, 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
OTSMK1
NSN: 5965-01-283-2531
FSC: 5965
CAGE: 14819 — MAR-VEL INTERNATIONAL, INC. DBA MAR-VEL UNDERWATER EQUIP (USA)
SPECIFICATIONS
end_item_identificationDIVERS MASK WITH TWO-WAY COMMUNICATION
NSN5965-01-283-2531
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROPHONE,CRYSTAL TITLE COMPONENT PN OTSMK1 MFR MICROPHONE,CRYSTAL
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONDIVERS MASK WITH TWO-WAY COMMUNICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
7008-00Interchangeable
interchangeable cross-reference
interchangeable
W220Interchangeable
interchangeable cross-reference
interchangeable
702928Interchangeable
interchangeable cross-reference
interchangeable
13049777Interchangeable
interchangeable cross-reference
interchangeable
LP674-700800-M8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is OTSMK1?
OTSMK1 is a MICROPHONE,CRYSTAL.
What parts can replace OTSMK1?
There are 5 known substitutes for OTSMK1: 7008-00, W220, 702928 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for OTSMK1?
OTSMK1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-01-283-2531. 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