A521

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Stock/Availability for: A521

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Statistics

Total Quantity
2,369
Line Items
9
Suppliers listing this part
9
Countries/regions where listing suppliers exist
5
Most Recent Upload
3/31/2026

Sponsored Live Part Search

Part Number: A521

Part Number Country/Region Suppliers Line Items Total Qty
A521 US 4 4 770
A521+ CN 2 2 1,532
A521 CA 1 1 60
A521 GB 1 1 6
A-521 IL 1 1 1

Other Parts

Part Number Countries/Regions Suppliers Line Items Total Qty
A521DF151M550A 5 7 7 6,676
A521DE472M063A 4 6 6 510
A521EF331M450A 4 5 5 3,587
A521HW152M450C 4 5 5 2,580
A52101C62PA4 4 5 5 1,223
A521EF331M400A 4 5 5 817
A521SR 3 4 4 80,703
A52101C62GM 3 4 4 5,911
A5210 4 4 4 3,285
A521DE121M550A 3 4 4 1,247

Possible Component Manufacturers*

Tung-Sol (New Sensor) (Electro-Harmonix) (EHX)
Micro Switch (Honeywell - Micro Switch) (Honeywell Sensing)
EMS Technologies (Honeywell Aerospace)
Elmwood Sensors (Honeywell Sensing)
CAES (Honeywell)
AlliedSignal (Allied Corp) (Signal Companies)

* This symbol ( ) will appear next to the manufacturer if a datasheet is available for the part. Registered members can click on the datasheet icon to locate the datasheet for the part.

Request a Free Trial Membership to contact suppliers for part number A521

Page Created: 3/31/2026