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Technical Data Sheet
PartsTable / COMPONENT / A-109
A-109 ✓ 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 TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include width: 0.184 INCHES NOMINAL IN, length: 0.250 INCHES MAXIMUM IN, radius: 0.312 INCHES NOMINAL IN, material: ELECTROGRAPHITIC, thickness: 0.092 INCHES NOMINAL IN, body_style: RECTANGULAR COMMUTATOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1095-00-019-1620, 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
A-109
NSN: 1095-00-019-1620
FSC: 1095
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
width0.184 INCHES NOMINAL IN
length0.250 INCHES MAXIMUM IN
radius0.312 INCHES NOMINAL IN
materialELECTROGRAPHITIC
thickness0.092 INCHES NOMINAL IN
body_styleRECTANGULAR COMMUTATOR
body_width1.624 INCHES NOMINAL IN
body_height2.500 INCHES NOMINAL IN
body_length3.000 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
NSN1095-00-019-1620
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN A-109 MFR TRANSFORMER,AUDIO FREQ
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONAIRCRAFT MODEL P-3
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
10904Interchangeable
interchangeable cross-reference
interchangeable
A-109Interchangeable
interchangeable cross-reference
interchangeable
7865Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-109?
A-109 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace A-109?
There are 3 known substitutes for A-109: 10904, A-109, 7865. Substitute compatibility should be verified for your specific system.
What is the NSN for A-109?
A-109 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1095-00-019-1620. 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