PartsTable
Technical Data Sheet
A-2021 ✓ Verified by PartsTable
Amazfit · 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

<b>Edge-to-Edge Glass. Slim and Sleek.</b><br>The borderless design uses exquisitely crafted curved glass, which shimmers like a piece of crystal jade, to create a strong and integrated visual experience. The gorgeous and dynamic curves of the aluminum alloy body deliver a comfortable and light wearable experience, and the watch also incorporates vacuum coating on the glass surface to provide a more scratch- and wear-resistant screen.<br><br><b>Color and Clarity.

Beyond Comprehension.</b><br>The 1.65-inch HD AMOLED screen is comparable in clarity to the latest smartphones. The 341 ppi pixel density makes the display clear and true-to-life, with vivid colors ensuring smooth readability and keeping the watch as exquisite to look at as when you first lay your eyes on it.<br><br><b>A Variety of Colors. A Personal Touch.</b><br>Take your pick from the three colors available and make the watch your versatile and fashionable companion, whether you’re dressing up for an occasion or heading to This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-491-2032, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
A-2021
NSN: 5985-00-491-2032
FSC: 5985
CAGE: 27361 — BURKE PRODUCTS INC (USA)
SPECIFICATIONS
materialALUMINUM OVERALL
nut_styleTUBE COUPLING
body_width1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM IN
nut_height0.470 INCHES NOMINAL IN
body_height0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
body_length1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM IN
design_typeSTRAIGHT SINGLE ANTENNA ELEMENT
thread_seriesUNF
overall_length2.906 INCHES NOMINAL IN
overall_diameter0.250 INCHES NOMINAL IN
special_featuresW/O STORAGE REGISTER
thread_directionRIGHT-HAND
NSN5985-00-491-2032
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Amazfit MICROCIRCUIT,LINEAR TITLE COMPONENT PN A-2021 MFR Amazfit MICROCIRCUIT,LINEAR
KEY FEATURES
OVERALL DIAMETER: 0.250 INCHES NOMINAL IN
DESIGN TYPE: STRAIGHT SINGLE ANTENNA ELEMENT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.906 INCHES NOMINAL IN
OVERALL DIAMETER0.250 INCHES NOMINAL IN
DESIGN TYPESTRAIGHT SINGLE ANTENNA ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
E5504AInterchangeable
interchangeable cross-reference
interchangeable
566357Interchangeable
interchangeable cross-reference
interchangeable
C1603Interchangeable
interchangeable cross-reference
interchangeable
A-2021Interchangeable
interchangeable cross-reference
interchangeable
DAC-V12D4B-SW22671-3Interchangeable
interchangeable cross-reference
interchangeable
DAC-V12D4B-6319Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-2021?
A-2021 is a MICROCIRCUIT,LINEAR manufactured by Amazfit.
What parts can replace A-2021?
There are 11 known substitutes for A-2021: E5504A, 566357, C1603 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-2021?
A-2021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-491-2032. This indicates validated use in U.S. government and defense supply chains.
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