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PartsTable / COMPONENT / 90-558
90-558 ✓ 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 body_style: BUSHING MOUNT, body_width: 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, head_style: FILLISTER, body_length: 1.312 INCHES NOMINAL IN, head_height: 0.089 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN, thread_class: 2A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1650-00-474-1972, 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
90-558
NSN: 1650-00-474-1972
FSC: 1650
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
body_styleBUSHING MOUNT
body_width0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
head_styleFILLISTER
body_length1.312 INCHES NOMINAL IN
head_height0.089 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
hole_diameter0.031 INCHES NOMINAL IN
hole_quantity1
thread_length0.438 INCHES MINIMUM IN
actuator_styleROUND
bushing_length0.344 INCHES NOMINAL IN
NSN1650-00-474-1972
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,TOGGLE TITLE COMPONENT PN 90-558 MFR SWITCH,TOGGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
131899Interchangeable
interchangeable cross-reference
interchangeable
FF-S-92Interchangeable
interchangeable cross-reference
interchangeable
MS35265-30Interchangeable
interchangeable cross-reference
interchangeable
02-19-008Interchangeable
interchangeable cross-reference
interchangeable
02-19-008AInterchangeable
interchangeable cross-reference
interchangeable
90-558Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 90-558?
90-558 is a SWITCH,TOGGLE.
What parts can replace 90-558?
There are 6 known substitutes for 90-558: 131899, FF-S-92, MS35265-30 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 90-558?
90-558 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1650-00-474-1972. 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