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Technical Data Sheet
PartsTable / COMPONENT / D2021-3
D2021-3 ✓ 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 SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include special_features: GEAR DRIVEN; SPRING ACTUATED, end_item_identification: 3930-01-158-0849, criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-674-5256, 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
D2021-3
NSN: 3040-01-674-5256
FSC: 3040
CAGE: 88759 — DYNATECT MANUFACTURING, INC. DBA DYNATECT MANUFACTURING INC (USA)
SPECIFICATIONS
special_featuresGEAR DRIVEN; SPRING ACTUATED
end_item_identification3930-01-158-0849
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsQUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION
NSN3040-01-674-5256
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN D2021-3 MFR SHAFT,SHOULDERED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
D-2021Interchangeable
interchangeable cross-reference
interchangeable
50SA10FInterchangeable
interchangeable cross-reference
interchangeable
50 SA 10 GInterchangeable
interchangeable cross-reference
interchangeable
03400004Interchangeable
interchangeable cross-reference
interchangeable
0340000 FIND 3Interchangeable
interchangeable cross-reference
interchangeable
10497522Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D2021-3?
D2021-3 is a SHAFT,SHOULDERED.
What parts can replace D2021-3?
There are 14 known substitutes for D2021-3: D-2021, 50SA10F, 50 SA 10 G and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D2021-3?
D2021-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-674-5256. 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