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309819 ✓ 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 COUPLER,DIRECTIONAL is a the manufacturer industrial component. Key specifications include unit_type: COAXIAL LINE, overall_width: 2.6875 INCHES NOMINAL IN, overall_height: 0.906 INCHES NOMINAL IN, overall_length: 6.6093 INCHES NOMINAL IN, special_features: TWO NO. 8-32 NC- 2B THREADED HOLES 2.734 IN.

APART ALONG LENGTH 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 5985-01-005-0370, 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
309819
NSN: 5985-01-005-0370
FSC: 5985
CAGE: 99899 — NARDA HOLDINGS, INC. DBA NARDA-MITEQ DIV NARDA-MITEQ (USA)
SPECIFICATIONS
unit_typeCOAXIAL LINE
overall_width2.6875 INCHES NOMINAL IN
overall_height0.906 INCHES NOMINAL IN
overall_length6.6093 INCHES NOMINAL IN
special_featuresTWO NO. 8-32 NC- 2B THREADED HOLES 2.734 IN. APART ALONG LENGTH IN
NSN5985-01-005-0370
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,DIRECTIONAL TITLE COMPONENT PN 309819 MFR COUPLER,DIRECTIONAL
KEY FEATURES
•
UNIT TYPE: COAXIAL LINE
TECHNICAL CHARACTERISTICS (FLIS)
UNIT TYPECOAXIAL LINE
OVERALL WIDTH2.6875 INCHES NOMINAL IN
SPECIAL FEATURESTWO NO. 8-32 NC- 2B THREADED HOLES 2.734 IN. APART ALONG LENGTH IN
OVERALL HEIGHT0.906 INCHES NOMINAL IN
OVERALL LENGTH6.6093 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
23510Interchangeable
interchangeable cross-reference
interchangeable
23502Interchangeable
interchangeable cross-reference
interchangeable
AC22-4Interchangeable
interchangeable cross-reference
interchangeable
D-605JInterchangeable
interchangeable cross-reference
interchangeable
40223Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 309819?
309819 is a COUPLER,DIRECTIONAL.
What parts can replace 309819?
There are 5 known substitutes for 309819: 23510, 23502, AC22-4 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 309819?
309819 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-005-0370. 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