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Technical Data Sheet
PartsTable / COMPONENT / 9990-9H51
9990-9H51 ✓ 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,PUSH is a the manufacturer industrial component. Key specifications include color: BLACK SINGLE ACTUATOR, body_style: BUSHING MOUNTED, thread_class: 2A A, body_diameter: 0.656 INCHES NOMINAL IN, overall_width: 0.656 INCHES NOMINAL IN, bushing_length: 0.469 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-548-3578, 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
9990-9H51
NSN: 5930-00-548-3578
FSC: 5930
CAGE: 08092 — DEPARTMENT OF THE NAVY NAVAL SURFACE WARFARE CENTER CRANE DETACHMENT (USA)
SPECIFICATIONS
colorBLACK SINGLE ACTUATOR
body_styleBUSHING MOUNTED
thread_class2A A
body_diameter0.656 INCHES NOMINAL IN
overall_width0.656 INCHES NOMINAL IN
bushing_length0.469 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height0.656 INCHES NOMINAL IN
overall_length1.938 INCHES NOMINAL IN
actuator_height0.406 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
actuator_diameter0.297 INCHES NOMINAL IN
NSN5930-00-548-3578
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PUSH TITLE COMPONENT PN 9990-9H51 MFR SWITCH,PUSH
KEY FEATURES
•
BODY DIAMETER: 0.656 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNS
•
TERMINAL TYPE AND QUANTITY: 2 TAB, SOLDER LUG
•
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 250.000 MILLIAMPERES RESISTIVE DC AND 250.000 MILLIAMPERES RESISTIVE AC
•
COLOR: BLACK SINGLE ACTUATOR
•
NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, SINGLE THROW, NORMALLY CLOSED, DOUBLE BREAK, MOMENTARY ACTION SINGLE SWITCH UNIT
•
ACTUATOR HEIGHT: 0.406 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY DIAMETER0.656 INCHES NOMINAL IN
OVERALL HEIGHT0.656 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNS
TERMINAL TYPE AND QUANTITY2 TAB, SOLDER LUG
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE250.000 MILLIAMPERES RESISTIVE DC AND 250.000 MILLIAMPERES RESISTIVE AC
COLORBLACK SINGLE ACTUATOR
NONPILE-UP CONTACT ARRANGEMENT1 POLE, SINGLE THROW, NORMALLY CLOSED, DOUBLE BREAK, MOMENTARY ACTION SINGLE SWITCH UNIT
ACTUATOR HEIGHT0.406 INCHES NOMINAL IN
ACTUATOR DIAMETER0.297 INCHES NOMINAL IN
MOUNTING METHODTHREADED BUSHING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
SJ3540-53Interchangeable
interchangeable cross-reference
interchangeable
994Interchangeable
interchangeable cross-reference
interchangeable
XLS5 1-2Interchangeable
interchangeable cross-reference
interchangeable
160917Interchangeable
interchangeable cross-reference
interchangeable
248207-3Interchangeable
interchangeable cross-reference
interchangeable
108X162Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9990-9H51?
9990-9H51 is a SWITCH,PUSH.
What parts can replace 9990-9H51?
There are 20 known substitutes for 9990-9H51: SJ3540-53, 994, XLS5 1-2 and 17 more. Substitute compatibility should be verified for your specific system.
Is 9990-9H51 still available?
9990-9H51 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