PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M5423/14-03Boot,dust and Moisture Seal

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5930-01-101-7777 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-101-7777 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-101-7777. Primary manufacturer part number: M5423/14-03.
Features
  • Boot,dust and Moisture Seal — FSC 5930
  • Base Overall Length: 2.000 INCHES NOMINAL IN
  • Distance From Inside Opening to Base Edge: 0.750 INCHES NOMINAL IN
  • 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.).
  • Style Designator: THRU-HOLE
  • Specification/standard Data: 81349-MIL-B-5423/14 GOVERNMENT SPECIFICATION
  • Material: RUBBER SILICONE BODY
  • Mounting Method: UNTHREADED HOLE(S)
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 5930-01-101-7777, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-101-7777
Primary Part NumberM5423/14-03
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
Base Overall Length2.000 INCHES NOMINAL IN
Distance From Inside Opening to Base Edge0.750 INCHES NOMINAL IN
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.).
Style DesignatorTHRU-HOLE
Specification/standard Data81349-MIL-B-5423/14 GOVERNMENT SPECIFICATION
MaterialRUBBER SILICONE BODY
Mounting MethodUNTHREADED HOLE(S)
Base Width3.156 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.062 INCHES NOMINAL IN
Features ProvidedCOMPONENT SWITCH
Mounting Hole Diameter0.160 INCHES NOMINAL IN
First Distance From Mounting Hole Center to Base Edge0.484 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.750 INCHES NOMINAL IN
Second Distance From Mounting Hole Center to Base Edge0.797 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-007-7578 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-156-0680 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-267-1447HE1020 INTERCHANGEABLE
Boot,dust and Moisture Seal
Apm Hexseal Corp
5930-00-984-4324 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-178-5202 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-256-1524 INTERCHANGEABLE
Boot,dust and Moisture Seal
Cross-Reference Index
Part NumberManufacturer
M5423/14-03 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-5423/14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5930-00-007-7578INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-156-0680INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-267-1447INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
HE1020
5930-00-984-4324INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-178-5202INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-256-1524INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL

Frequently Asked Questions

What is NSN 5930-01-101-7777?

NSN 5930-01-101-7777 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 5930-01-101-7777?

NSN 5930-01-101-7777 has 2 cross-referenced part numbers: M5423/14-03 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-5423/14 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5930-01-101-7777?

There are 6 known substitutes for 5930-01-101-7777: 5930-00-007-7578, 5930-00-156-0680, 5930-00-267-1447 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M5423/14-03?

Key specifications for M5423/14-03: Base Overall Length: 2.000 INCHES NOMINAL IN; Distance From Inside Opening to Base Edge: 0.750 INCHES NOMINAL IN; 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.).; Style Designator: THRU-HOLE. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com