PartsTable
Technical Data Sheet
PartsTable / MRO / 4690
4690 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 mounting_position: VERTICAL, media_for_which_designed: GAS, INERT SINGLE RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-920-3293, 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
MRO→ MRO_GENERAL→ 4690
NSN: 6625-00-920-3293
FSC: 6625
CAGE: 55026 — SIMPSON ELECTRIC COMPANY, INC. (USA)
SPECIFICATIONS
mounting_positionVERTICAL
media_for_which_designedGAS, INERT SINGLE RESPONSE
NSN6625-00-920-3293
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 4690 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
MOUNTING HOLE DIAMETER: 0.160 INCHES NOMINAL IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 3 UNTHREADED HOLE(S)
•
MOVEMENT SUSPENSION METHOD: JEWEL PIVOT BASE
•
INDICATOR TYPE: DIAL W/POINTER
•
STYLE DESIGNATOR: ROUND FLUSH MTG
•
MOUNTING BOLT CIRCLE DIAMETER: 3.160 INCHES NOMINAL IN
•
OVERALL DIAMETER: 3.500 INCHES NOMINAL IN
•
SCALE DIVISION QUANTITY: 50 SINGLE INDICATOR SINGLE RANGE
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE DIAMETER0.160 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY3 UNTHREADED HOLE(S)
MOVEMENT SUSPENSION METHODJEWEL PIVOT BASE
INDICATOR TYPEDIAL W/POINTER
STYLE DESIGNATORROUND FLUSH MTG
MOUNTING BOLT CIRCLE DIAMETER3.160 INCHES NOMINAL IN
OVERALL DIAMETER3.500 INCHES NOMINAL IN
SCALE DIVISION QUANTITY50 SINGLE INDICATOR SINGLE RANGE
MEASUREMENT RANGE+0.0 TO 50.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
INSTALLATION DESIGNPANEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
MIL-B-43666 TY3ST6SZ15FG10Interchangeable
interchangeable cross-reference
interchangeable
4690Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-43666Interchangeable
interchangeable cross-reference
interchangeable
AS954Interchangeable
interchangeable cross-reference
interchangeable
AS954 TY1CL1STAInterchangeable
interchangeable cross-reference
interchangeable
A-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4690?
4690 is a TRANSFORMER,AUDIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4690?
There are 9 known substitutes for 4690: MIL-B-43666 TY3ST6SZ15FG10, 4690, MIL-B-43666 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4690?
4690 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-920-3293. 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