PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M5423/14-08Boot,dust and Moisture Seal

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5930-01-178-5202 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-178-5202 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-178-5202. Primary manufacturer part number: M5423/14-08.
Features
  • Boot,dust and Moisture Seal — FSC 5930
  • Specification/standard Data: 81349-MIL-B-5423/14 GOVERNMENT SPECIFICATION
  • Material Thickness: 0.050 INCHES NOMINAL IN
  • Material: RUBBER BODY
  • 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.).
  • First Distance From Mounting Hole Center to Base Edge: 0.297 INCHES NOMINAL IN
  • Mounting Method: UNTHREADED HOLE(S)
  • Second Distance From Mounting Hole Center to Base Edge: 0.313 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Body construction
General Description

The Boot,dust and Moisture Seal, cataloged under National Stock Number 5930-01-178-5202, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-178-5202
Primary Part NumberM5423/14-08
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 Data81349-MIL-B-5423/14 GOVERNMENT SPECIFICATION
Material Thickness0.050 INCHES NOMINAL IN
MaterialRUBBER BODY
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.).
First Distance From Mounting Hole Center to Base Edge0.297 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
Second Distance From Mounting Hole Center to Base Edge0.313 INCHES NOMINAL IN
Base Width3.093 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.062 INCHES NOMINAL IN
Mounting Device Quantity8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
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
2520-00-766-22591669326 INTERCHANGEABLE
Clutch Assembly,friction
Chrysler Realty Company Llc Dba Daimler Chrysler
5930-00-984-4324 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-101-7777 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-149-8485 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-167-7741 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-256-1524 INTERCHANGEABLE
Boot,dust and Moisture Seal
Cross-Reference Index
Part NumberManufacturer
M5423/14-08 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-B-5423/14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M5423-14-08 Zf Industrieantriebe Witten Gmbh (DEU)
MIL-DTL-5423/14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
361237 Sierra Technologies Inc Garden City Div (USA)
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
2520-00-766-2259INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
1669326
5930-00-984-4324INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-101-7777INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-149-8485INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-167-7741INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-256-1524INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL

Frequently Asked Questions

What is NSN 5930-01-178-5202?

NSN 5930-01-178-5202 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 5930-01-178-5202?

NSN 5930-01-178-5202 has 5 cross-referenced part numbers: M5423/14-08 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-B-5423/14 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M5423-14-08 (Zf Industrieantriebe Witten Gmbh), MIL-DTL-5423/14 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 361237 (Sierra Technologies Inc Garden City Div).

What NSN replaces 5930-01-178-5202?

There are 9 known substitutes for 5930-01-178-5202: 5930-00-007-7578, 5930-00-156-0680, 5930-00-267-1447 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M5423/14-08?

Key specifications for M5423/14-08: Specification/standard Data: 81349-MIL-B-5423/14 GOVERNMENT SPECIFICATION; Material Thickness: 0.050 INCHES NOMINAL IN; Overall Width: 3.718 INCHES NOMINAL IN; Material: RUBBER BODY. 13 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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