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NAS543 ✓ 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 SWITCH,TOGGLE is a the manufacturer industrial component. Key specifications include inclosure_type: FULLY INCLOSED, mounting_method: THREADED BUSHING, nominal_thread_size: 0.469 INCHES IN, thread_quantity_per_inch: 32, thread_series_designator: UNS, terminal_type_and_quantity: 6 SCREW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-508-0291, 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
NAS543
NSN: 5930-00-508-0291
FSC: 5930
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED BUSHING
nominal_thread_size0.469 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNS
terminal_type_and_quantity6 SCREW
nonpile-up_contact_arrangement2 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
maximum_voltage_rating_in_volts115.0 AC AND 28.0 DC
part_name_assigned_by_controlling_agencySWITCH
hazardous_locations/environmental_protectionHUMIDITY RESISTANT
contact_load_current_rating_at_maximum_rated_voltage18.000 AMPERES RESISTIVE DC AND 20.000 AMPERES RESISTIVE AC
NSN5930-00-508-0291
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,TOGGLE TITLE COMPONENT PN NAS543 MFR SWITCH,TOGGLE
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYSWITCH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
T1002-EFInterchangeable
interchangeable cross-reference
interchangeable
NAS543-2Interchangeable
interchangeable cross-reference
interchangeable
543-2Interchangeable
interchangeable cross-reference
interchangeable
T1033EFInterchangeable
interchangeable cross-reference
interchangeable
NAS543-6Interchangeable
interchangeable cross-reference
interchangeable
NAS543Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS543?
NAS543 is a SWITCH,TOGGLE.
What parts can replace NAS543?
There are 9 known substitutes for NAS543: T1002-EF, NAS543-2, 543-2 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS543?
NAS543 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-508-0291. 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