PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M5423/06-01Boot,dust and Moisture Seal

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5930-01-041-3873 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-041-3873 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-041-3873. Primary manufacturer part number: M5423/06-01.
Features
  • Boot,dust and Moisture Seal — FSC 5930
  • Specification/standard Data: B1349--5423-06-01 GOVERNMENT STANDARD
  • Body Outside Diameter: 0.875 INCHES NOMINAL IN
  • Material: RUBBER SILICONE BODY
  • Style Designator: CLOSED END
  • Material Document and Classification: MIL-R-5847,TYPE 25,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE BODY
  • Test Data Document: 81349-423 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.).
  • Mounting Method: THREAD
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Silicone Body construction
General Description

The Boot,dust and Moisture Seal, cataloged under National Stock Number 5930-01-041-3873, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-041-3873
Primary Part NumberM5423/06-01
Item NameBoot,dust and Moisture Seal
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Specification/standard DataB1349--5423-06-01 GOVERNMENT STANDARD
Body Outside Diameter0.875 INCHES NOMINAL IN
MaterialRUBBER SILICONE BODY
Style DesignatorCLOSED END
Material Document and ClassificationMIL-R-5847,TYPE 25,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE BODY
Test Data Document81349-423 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.).
Mounting MethodTHREAD
Sealing MethodCOMPOUND
Opening Inside Diameter0.510 INCHES NOMINAL IN
Hazardous Locations/environmental ProtectionOIL RESISTANT
Base Thread LocationINTERNAL
Nominal Thread Size0.500 INCHES IN
Base Outside Diameter0.687 INCHES NOMINAL IN
Thread Class2B
Thread Length0.438 INCHES NOMINAL IN
Thread Quantity Per Inch32
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5340-00-535-9720 INTERCHANGEABLE
Boot,dust and Moisture Seal
5340-00-682-0577 INTERCHANGEABLE
Boot,dust and Moisture Seal
5340-00-755-3645 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-823-0482 INTERCHANGEABLE
Boot,dust and Moisture Seal
5340-00-841-1284660355-2 INTERCHANGEABLE
Boot,dust and Moisture Seal
Bae Systems Information and Electronic Systems Integration Inc.
5930-00-933-7075 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-982-9363 INTERCHANGEABLE
Boot,dust and Moisture Seal
5340-01-097-9929 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-179-0269 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-412-6919 INTERCHANGEABLE
Boot,dust and Moisture Seal
Cross-Reference Index
Part NumberManufacturer
M5423/06-01 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-5423/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILB5423 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5340-00-535-9720INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5340-00-682-0577INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5340-00-755-3645INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-823-0482INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5340-00-841-1284INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
660355-2
5930-00-933-7075INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-982-9363INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5340-01-097-9929INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-179-0269INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-412-6919INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL

Frequently Asked Questions

What is NSN 5930-01-041-3873?

NSN 5930-01-041-3873 is a Boot,dust and Moisture Seal, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-041-3873?

NSN 5930-01-041-3873 has 3 cross-referenced part numbers: M5423/06-01 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-5423/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILB5423 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5930-01-041-3873?

There are 10 known substitutes for 5930-01-041-3873: 5340-00-535-9720, 5340-00-682-0577, 5340-00-755-3645 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M5423/06-01?

Key specifications for M5423/06-01: Overall Height: 0.844 INCHES NOMINAL IN; Specification/standard Data: B1349--5423-06-01 GOVERNMENT STANDARD; Body Outside Diameter: 0.875 INCHES NOMINAL IN; Material: RUBBER SILICONE BODY. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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