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MS3187-4-2 ✓ 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

PLUG,END SEAL,ELECTRICAL CONNECT. Key specifications include material: PLASTIC, body_diameter: 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN, overall_length: 0.490 INCHES MAXIMUM IN, overall_diameter: 0.410 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN, style_designator: STRAIGHT SHAPE SINGLE BOSS, specification/standard_data: 81349-MILC83723 GOVERNMENT SPECIFICATION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-015-2078, 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
MS3187-4-2
NSN: 5935-01-015-2078
FSC: 5935
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialPLASTIC
body_diameter0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
overall_length0.490 INCHES MAXIMUM IN
overall_diameter0.410 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
size_designation4
style_designatorSTRAIGHT SHAPE SINGLE BOSS
specification/standard_data81349-MILC83723 GOVERNMENT SPECIFICATION
NSN5935-01-015-2078
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLUG,END SEAL,ELECTRICAL CONNECT TITLE COMPONENT PN MS3187-4-2 MFR PLUG,END SEAL,ELECTRIC
KEY FEATURES
•
BODY DIAMETER: 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
•
TEST DATA DOCUMENT: 81349-MILC83723 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
SPECIFICATION/STANDARD DATA: 81349-MILC83723 GOVERNMENT SPECIFICATION
•
MATERIAL: PLASTIC
•
SIZE DESIGNATION: 4
•
OVERALL DIAMETER: 0.410 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: STRAIGHT SHAPE SINGLE BOSS
TECHNICAL CHARACTERISTICS (FLIS)
BODY DIAMETER0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
TEST DATA DOCUMENT81349-MILC83723 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SPECIFICATION/STANDARD DATA81349-MILC83723 GOVERNMENT SPECIFICATION
MATERIALPLASTIC
SIZE DESIGNATION4
OVERALL DIAMETER0.410 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
STYLE DESIGNATORSTRAIGHT SHAPE SINGLE BOSS
OVERALL LENGTH0.490 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
1813-20-0212Interchangeable
interchangeable cross-reference
interchangeable
STBP35B12Interchangeable
interchangeable cross-reference
interchangeable
165-0322-003Interchangeable
interchangeable cross-reference
interchangeable
MS27488Interchangeable
interchangeable cross-reference
interchangeable
M27488-20Interchangeable
interchangeable cross-reference
interchangeable
MS83723-28-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS3187-4-2?
MS3187-4-2 is a PLUG,END SEAL,ELECTRICAL CONNECT.
What parts can replace MS3187-4-2?
There are 9 known substitutes for MS3187-4-2: 1813-20-0212, STBP35B12, 165-0322-003 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS3187-4-2?
MS3187-4-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-015-2078. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026