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PartsTable / IT_GENERAL / A20-1-3
A20-1-3 ✓ Verified by PartsTable
APPLE · IT_GENERAL · IT_UNCLASSIFIED
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

iPad Pro 11-In 1st Gen WiFi/Cell. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1722, 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
IT_GENERAL→ IT_UNCLASSIFIED→ A20-1-3
NSN: 3110-00-156-1722
FSC: 3110
CAGE: 70801 — AUTOMOTIVE THRUST BEARING CORP (USA)
SPECIFICATIONS
Part NumberA20-1-3
ManufacturerAPPLE
NSN3110-00-156-1722
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM SFP+ SFP+ LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 2-PORT 10GbE | SFP+ | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN A20-1-3 MFR APPLE iPad Pro 11-In 1st Gen WiFi/Cell
KEY FEATURES
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
OVERALL OUTSIDE DIAMETER: 2.3125 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
BORE SMALLEST DIAMETER: 1.2500 INCHES NOMINAL IN
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
SURFACE FINISH: GROUND
•
MATERIAL: STEEL BALL
TYPICAL APPLICATIONS
  • Enterprise campus Wi-Fi coverage (offices, meeting rooms)
  • Branch office and retail location wireless connectivity
  • High-density venue deployments (auditoriums, conference centers)
  • Guest and BYOD wireless access with captive portal
  • Warehouse and logistics facility wireless infrastructure
  • Healthcare facility wireless for mobile devices and IoT
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.1
OVERALL OUTSIDE DIAMETER2.3125 INCHES NOMINAL IN
OVERALL HEIGHT0.7500 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
BORE SMALLEST DIAMETER1.2500 INCHES NOMINAL IN
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
SURFACE FINISHGROUND
MATERIALSTEEL BALL
MATERIALSTEEL WASHER
STYLE DESIGNATORGROOVED RACE SURFACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
44-13Interchangeable
interchangeable cross-reference
interchangeable
1 3-4ZInterchangeable
interchangeable cross-reference
interchangeable
10FInterchangeable
interchangeable cross-reference
interchangeable
1060678Interchangeable
interchangeable cross-reference
interchangeable
G13Interchangeable
interchangeable cross-reference
interchangeable
Y206PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A20-1-3?
A20-1-3 is a iPad Pro 11-In 1st Gen WiFi/Cell manufactured by APPLE. It is classified as a IT_GENERAL (IT_UNCLASSIFIED).
What parts can replace A20-1-3?
There are 19 known substitutes for A20-1-3: 44-13, 1 3-4Z, 10F and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A20-1-3?
A20-1-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1722. 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