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Technical Data Sheet
PartsTable / COMPONENT / 4166-28A25-2A
4166-28A25-2A ✓ 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 4166-28A25-2A is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6620-00-531-2746, 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
4166-28A25-2A
NSN: 6620-00-531-2746
FSC: 6620
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
Part Number4166-28A25-2A
NSN6620-00-531-2746
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 4166-28A25-2A TITLE COMPONENT PN 4166-28A25-2A MFR 4166-28A25-2A
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: E-5 TYPE
•
VOLTAGE RATING: 26.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
•
MOUNTING METHOD: HOLE
•
CONNECTOR CONTROLLING AGENCY: AN
•
MECHANICAL CONNECTION TYPE: INTERNAL PIPE
•
ELECTRICAL CONNECTION IDENTIFYING NUMBER: PART NO. AN31Q2-14S-2P
•
MECHANICAL CONNECTION QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATAE-5 TYPE
OVERALL LENGTH7.031 INCHES NOMINAL IN
VOLTAGE RATING26.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
MOUNTING METHODHOLE
CONNECTOR CONTROLLING AGENCYAN
MECHANICAL CONNECTION TYPEINTERNAL PIPE
ELECTRICAL CONNECTION IDENTIFYING NUMBERPART NO. AN31Q2-14S-2P
MECHANICAL CONNECTION QUANTITY2
MEASUREMENT RANGE+0.0 TO 1000.0 POUNDS PER SQUARE INCH LBS
MECHANICAL CONNECTION SIZE7/16 IN. DIA IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MIL-T-25307Interchangeable
interchangeable cross-reference
interchangeable
MS28005-4Interchangeable
interchangeable cross-reference
interchangeable
1358-041040Interchangeable
interchangeable cross-reference
interchangeable
8465Interchangeable
interchangeable cross-reference
interchangeable
001965Interchangeable
interchangeable cross-reference
interchangeable
7609-36H5-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4166-28A25-2A?
4166-28A25-2A is a 4166-28A25-2A.
What parts can replace 4166-28A25-2A?
There are 7 known substitutes for 4166-28A25-2A: MIL-T-25307, MS28005-4, 1358-041040 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4166-28A25-2A?
4166-28A25-2A is cataloged in the Federal Logistics Information System (FLIS) under NSN 6620-00-531-2746. 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