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1816855 ✓ 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 ADAPTER,HEADSET is a the manufacturer industrial component. Key specifications include usage_design: ADAPTS HEADSET TO TESTER FOR CHECKING TONE, overall_length: 46.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-00-823-8623, 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
1816855
NSN: 5965-00-823-8623
FSC: 5965
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
usage_designADAPTS HEADSET TO TESTER FOR CHECKING TONE
overall_length46.000 INCHES NOMINAL IN
NSN5965-00-823-8623
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER,HEADSET TITLE COMPONENT PN 1816855 MFR ADAPTER,HEADSET
KEY FEATURES
•
USAGE DESIGN: ADAPTS HEADSET TO TESTER FOR CHECKING TONE
TECHNICAL CHARACTERISTICS (FLIS)
USAGE DESIGNADAPTS HEADSET TO TESTER FOR CHECKING TONE
OVERALL LENGTH46.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
76304Interchangeable
interchangeable cross-reference
interchangeable
D-8DInterchangeable
interchangeable cross-reference
interchangeable
20T8ADRYCHARGEDInterchangeable
interchangeable cross-reference
interchangeable
11118Interchangeable
interchangeable cross-reference
interchangeable
GGG-F-325Interchangeable
interchangeable cross-reference
interchangeable
3303550 PIECE 9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1816855?
1816855 is a ADAPTER,HEADSET.
What parts can replace 1816855?
There are 19 known substitutes for 1816855: 76304, D-8D, 20T8ADRYCHARGED and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1816855?
1816855 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5965-00-823-8623. 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