PartsTable
Technical Data Sheet
PartsTable / MRO / A57
A57 ✓ Verified by PartsTable
Haier · 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

Would you like to effortlessly type a letter or surf the web? Send e-mails from your living room chair? The Haier A57 fulfils all your basic digital needs – from word processing to the internet. And all of this at an exceptionally attractive price. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-838-4928, 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→ A57
NSN: 6625-00-838-4928
FSC: 6625
CAGE: 78277 — SIGMA INSTRUMENTS INC (USA)
SPECIFICATIONS
body_height0.165 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
features_providedCASCADABLE AND HERMETICALLY SEALED AND WIDEBAND
precious_materialGOLD
inclosure_materialMETAL
storage_temp_range-65.0 TO 125.0 CELSIUS DEGC
operating_temp_range-54.0 TO 71.0 CELSIUS DEGC
body_outside_diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
input_circuit_pattern1 INPUT
end_item_identificationRADAR SET AN/FPS-117
inclosure_configurationCAN
terminal_surface_treatmentGOLD
terminal_type_and_quantity4 PIN
NSN6625-00-838-4928
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Haier RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN A57 MFR Haier RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
MEASUREMENT RANGE: +0.0 TO 5.0 MILLIAMPERES, AC SINGLE INDICATOR FIRST RANGE
•
CIRCUIT ATTACHMENT METHOD AND QUANTITY: 2 BINDING POST
•
COLOR: UNABLE TO DECODE
•
METER BODY DIAMETER BEHIND MOUNTING FLANGE: 2.750 INCHES NOMINAL IN
•
METER DEPTH BEHIND MOUNTING FLANGE: 1.040 INCHES NOMINAL IN
•
INSTALLATION DESIGN: PANEL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT3.120 INCHES NOMINAL IN
MEASUREMENT RANGE+0.0 TO 5.0 MILLIAMPERES, AC SINGLE INDICATOR FIRST RANGE
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 BINDING POST
COLORUNABLE TO DECODE
METER BODY DIAMETER BEHIND MOUNTING FLANGE2.750 INCHES NOMINAL IN
MEASUREMENT RANGE+0.0 TO 50.0 MILLIAMPERES, AC SINGLE INDICATOR SECOND RANGE
METER DEPTH BEHIND MOUNTING FLANGE1.040 INCHES NOMINAL IN
INSTALLATION DESIGNPANEL
MOUNTING ARRANGEMENT STYLEFOUR HOLE/STUD RECTANGULAR/SQUARE
MATERIALPLASTIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
7422312435Interchangeable
interchangeable cross-reference
interchangeable
1551AS493-2Interchangeable
interchangeable cross-reference
interchangeable
A57Interchangeable
interchangeable cross-reference
interchangeable
717-014864Interchangeable
interchangeable cross-reference
interchangeable
LD25031Interchangeable
interchangeable cross-reference
interchangeable
52016Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A57?
A57 is a RESISTOR,VARIABLE,WIRE WOUND,NON manufactured by Haier. It is classified as a MRO (MRO_GENERAL).
What parts can replace A57?
There are 20 known substitutes for A57: 7422312435, 1551AS493-2, A57 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A57?
A57 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-838-4928. 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