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M5423/13-03 — Technical Data Sheet

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— · 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 BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE BODY, base_width: 2.500 INCHES NOMINAL IN, overall_height: 1.000 INCHES NOMINAL IN, style_designator: CLOSED END, material_thickness: 0.050 INCHES NOMINAL IN, base_overall_length: 2.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-346-1587, 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
M5423/13-03
NSN: 5930-01-346-1587
FSC: 5930
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER SILICONE BODY
base_width2.500 INCHES NOMINAL IN
overall_height1.000 INCHES NOMINAL IN
style_designatorCLOSED END
material_thickness0.050 INCHES NOMINAL IN
base_overall_length2.250 INCHES NOMINAL IN
base_inside_diameter0.600 INCHES NOMINAL IN
body_outside_diameter1.281 INCHES NOMINAL IN
specification/standard_data81349-MIL-B-5423/13 GOVERNMENT SPECIFICATION
hazardous_locations/environmental_protectionDUSTPROOF AND WATERTIGHT
center_to_center_distance_between_mounting_facilities_parallel_to_width1.812 INCHES NOMINAL IN
NSN5930-01-346-1587
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BOOT,DUST AND MOISTURE SEAL TITLE COMPONENT PN M5423/13-03 MFR BOOT,DUST AND MOISTURE
KEY FEATURES
•
BASE OVERALL LENGTH: 2.250 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CLOSED END
•
SPECIFICATION/STANDARD DATA: 81349-MIL-B-5423/13 GOVERNMENT SPECIFICATION
•
TEST DATA DOCUMENT: 81349-MIL-B-5423 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.).
•
MATERIAL: RUBBER SILICONE BODY
•
BODY OUTSIDE DIAMETER: 1.281 INCHES NOMINAL IN
•
BASE WIDTH: 2.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BASE OVERALL LENGTH2.250 INCHES NOMINAL IN
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
STYLE DESIGNATORCLOSED END
SPECIFICATION/STANDARD DATA81349-MIL-B-5423/13 GOVERNMENT SPECIFICATION
TEST DATA DOCUMENT81349-MIL-B-5423 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.).
MATERIALRUBBER SILICONE BODY
BODY OUTSIDE DIAMETER1.281 INCHES NOMINAL IN
BASE WIDTH2.500 INCHES NOMINAL IN
OVERALL HEIGHT1.000 INCHES NOMINAL IN
BASE INSIDE DIAMETER0.600 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
MIL-B-5423/13-0 1Interchangeable
interchangeable cross-reference
interchangeable
HE1076Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-5423/13Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-5423/13Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M5423/13-03?
M5423/13-03 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace M5423/13-03?
There are 4 known substitutes for M5423/13-03: MIL-B-5423/13-0 1, HE1076, MIL-DTL-5423/13 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M5423/13-03?
M5423/13-03 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-346-1587. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026