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PartsTable / COMPONENT / 8991983-1
8991983-1 ✓ 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 material: PLASTIC CASE, body_style: BUSHING MOUNT, body_width: 1.125 INCHES NOMINAL IN, body_height: 1.156 INCHES NOMINAL IN, body_length: 2.250 INCHES NOMINAL IN, actuator_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-296-9666, 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
8991983-1
NSN: 5930-00-296-9666
FSC: 5930
CAGE: 02769 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleBUSHING MOUNT
body_width1.125 INCHES NOMINAL IN
body_height1.156 INCHES NOMINAL IN
body_length2.250 INCHES NOMINAL IN
actuator_styleROUND
bushing_length0.344 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
actuator_height0.531 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
actuator_diameter0.370 INCHES NOMINAL IN
nominal_thread_size0.469 INCHES IN
NSN5930-00-296-9666
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,TOGGLE TITLE COMPONENT PN 8991983-1 MFR SWITCH,TOGGLE
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 4 SCREW
•
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 20.000 AMPERES RESISTIVE AC
•
THREAD SERIES DESIGNATOR: UNS
•
NONPILE-UP CONTACT ARRANGEMENT: 2 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
•
BODY LENGTH: 2.250 INCHES NOMINAL IN
•
ACTUATOR HEIGHT: 0.531 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 32
•
NOMINAL THREAD SIZE: 0.469 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY4 SCREW
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE20.000 AMPERES RESISTIVE AC
THREAD SERIES DESIGNATORUNS
NONPILE-UP CONTACT ARRANGEMENT2 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
BODY LENGTH2.250 INCHES NOMINAL IN
ACTUATOR HEIGHT0.531 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
NOMINAL THREAD SIZE0.469 INCHES IN
INCLOSURE TYPEFULLY INCLOSED
ACTUATOR DIAMETER0.370 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
A2155Interchangeable
interchangeable cross-reference
interchangeable
149225-1Interchangeable
interchangeable cross-reference
interchangeable
149224-2Interchangeable
interchangeable cross-reference
interchangeable
80421Interchangeable
interchangeable cross-reference
interchangeable
80421-00Interchangeable
interchangeable cross-reference
interchangeable
10554038-21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8991983-1?
8991983-1 is a SWITCH,TOGGLE.
What parts can replace 8991983-1?
There are 23 known substitutes for 8991983-1: A2155, 149225-1, 149224-2 and 20 more. Substitute compatibility should be verified for your specific system.
Is 8991983-1 still available?
8991983-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026