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Technical Data Sheet
ST57A ✓ 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 phase: SINGLE LOCATION NOT OTHERWISE SPECIFIED, body_width: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN, body_height: 0.750 INCHES MAXIMUM IN, body_length: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN, contact_type: PIN, current_type: AC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6620-00-826-7238, 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
ST57A
NSN: 6620-00-826-7238
FSC: 6620
CAGE: 61349 — AMETEK, INC. DIV AEROSPACE & DEFENSE (USA)
SPECIFICATIONS
phaseSINGLE LOCATION NOT OTHERWISE SPECIFIED
body_width0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
body_height0.750 INCHES MAXIMUM IN
body_length0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
contact_typePIN
current_typeAC
overall_width2.625 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_length4.250 INCHES NOMINAL IN
voltage_rating26.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
mounting_methodTERMINAL SINGLE GROUP
actuation_methodBOURDON TUBE
NSN6620-00-826-7238
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN ST57A MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
CURRENT TYPE: AC
MOUNTING DEVICE QUANTITY: 4
ACTUATION METHOD: BOURDON TUBE
MOUNTING METHOD: HOLE
ELECTRICAL CONNECTION IDENTIFYING NUMBER: 3102C1432P
OVERALL THICKNESS: 2.625 INCHES NOMINAL IN
MECHANICAL CONNECTION QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
CURRENT TYPEAC
MOUNTING DEVICE QUANTITY4
OVERALL WIDTH2.625 INCHES NOMINAL IN
ACTUATION METHODBOURDON TUBE
MOUNTING METHODHOLE
ELECTRICAL CONNECTION IDENTIFYING NUMBER3102C1432P
OVERALL THICKNESS2.625 INCHES NOMINAL IN
MECHANICAL CONNECTION QUANTITY2
VOLTAGE RATING26.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
CONTACT TYPEPIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
7600-30A8-1Interchangeable
interchangeable cross-reference
interchangeable
MILT5483Interchangeable
interchangeable cross-reference
interchangeable
3567714-3002Interchangeable
interchangeable cross-reference
interchangeable
MS28130-5Interchangeable
interchangeable cross-reference
interchangeable
7600-30A8-2AInterchangeable
interchangeable cross-reference
interchangeable
41329-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST57A?
ST57A is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace ST57A?
There are 9 known substitutes for ST57A: 7600-30A8-1, MILT5483, 3567714-3002 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST57A?
ST57A is cataloged in the Federal Logistics Information System (FLIS) under NSN 6620-00-826-7238. This indicates validated use in U.S. government and defense supply chains.
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