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PartsTable / COMPONENT / MS500040-4
MS500040-4 ✓ 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 MS500040-4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6680-00-939-7129, 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
MS500040-4
NSN: 6680-00-939-7129
FSC: 6680
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMS500040-4
NSN6680-00-939-7129
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MS500040-4 TITLE COMPONENT PN MS500040-4 MFR MS500040-4
KEY FEATURES
•
TERMINAL QUANTITY: 1
•
FLOAT ARM LENGTH: 6.456 INCHES NOMINAL IN
•
MOUNTING METHOD: FLANGE
•
CONNECTOR CONTROLLING AGENCY: MIL-STD
•
CURRENT TYPE: DC
•
MEDIA FOR WHICH DESIGNED: INTERFACE
•
ACTUATION METHOD: FLOAT AND GEAR
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL QUANTITY1
FLOAT ARM LENGTH6.456 INCHES NOMINAL IN
MOUNTING METHODFLANGE
CONNECTOR CONTROLLING AGENCYMIL-STD
CURRENT TYPEDC
OVERALL HEIGHT12.690 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDINTERFACE
ACTUATION METHODFLOAT AND GEAR
OVERALL DIAMETER2.580 INCHES NOMINAL IN
TERMINAL TYPESOCKET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
MIL-I-10986Interchangeable
interchangeable cross-reference
interchangeable
6425394Interchangeable
interchangeable cross-reference
interchangeable
8737838Interchangeable
interchangeable cross-reference
interchangeable
5653085Interchangeable
interchangeable cross-reference
interchangeable
10A17020Interchangeable
interchangeable cross-reference
interchangeable
4358709Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS500040-4?
MS500040-4 is a MS500040-4.
What parts can replace MS500040-4?
There are 17 known substitutes for MS500040-4: MIL-I-10986, 6425394, 8737838 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS500040-4?
MS500040-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6680-00-939-7129. 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