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Technical Data Sheet
PartsTable / MRO / 33905LK
33905LK ✓ Verified by PartsTable
— · 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

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include specification/standard_data: 81349-MIL-S-21604/3 GOVERNMENT SPECIFICATION, criticality_code_justification: ZZZY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-253-4327, 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→ 33905LK
NSN: 5930-01-253-4327
FSC: 5930
CAGE: 82121 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP (USA)
SPECIFICATIONS
specification/standard_data81349-MIL-S-21604/3 GOVERNMENT SPECIFICATION
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS.
NSN5930-01-253-4327
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 33905LK MFR SWITCH,ROTARY
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS.
•
SPECIFICATION/STANDARD DATA: 81349-MIL-S-21604/3 GOVERNMENT SPECIFICATION
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS.
SPECIFICATION/STANDARD DATA81349-MIL-S-21604/3 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
597F353H11Interchangeable
interchangeable cross-reference
interchangeable
141PB28PC97Interchangeable
interchangeable cross-reference
interchangeable
2JL5Interchangeable
interchangeable cross-reference
interchangeable
4150-142PC33Interchangeable
interchangeable cross-reference
interchangeable
900J826PC6Interchangeable
interchangeable cross-reference
interchangeable
3110-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 33905LK?
33905LK is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 33905LK?
There are 11 known substitutes for 33905LK: 597F353H11, 141PB28PC97, 2JL5 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 33905LK?
33905LK is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-253-4327. 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