PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-B-5423/7Boot,dust and Moisture Seal

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5930-01-124-2050 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-124-2050 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-124-2050. Primary manufacturer part number: MIL-B-5423/7.
Features
  • Boot,dust and Moisture Seal — FSC 5930
  • Hazardous Locations/environmental Protection: DUSTPROOF-NEMA TYPE 13 AND WATERTIGHT-NEMA TYPE 4
  • Opening Inside Diameter: 0.422 INCHES NOMINAL IN
  • Thread Length: 0.176 INCHES NOMINAL IN
  • Dome Height: 0.467 INCHES NOMINAL IN
  • Test Data Document: 81349-MIL-B-5423/7 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: CLOSED END
  • Material: RUBBER SILICONE BODY
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 5930-01-124-2050, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-124-2050
Primary Part NumberMIL-B-5423/7
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
Hazardous Locations/environmental ProtectionDUSTPROOF-NEMA TYPE 13 AND WATERTIGHT-NEMA TYPE 4
Opening Inside Diameter0.422 INCHES NOMINAL IN
Thread Length0.176 INCHES NOMINAL IN
Dome Height0.467 INCHES NOMINAL IN
Test Data Document81349-MIL-B-5423/7 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 DesignatorCLOSED END
MaterialRUBBER SILICONE BODY
Mounting MethodINTEGRAL THREADED NUT
Sealing MethodCOMPRESSION
Thread Class2B
Thread SeriesUNS
Width Across Flats0.625 INCHES NOMINAL IN
Nominal Thread Size0.469 INCHES IN
Mounting Device Quantity1
Thread Quantity Per Inch32
Base Thread LocationEXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-064-2455 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-167-7827 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-407-0257 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-442-5701 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-755-2192 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-800-5770 INTERCHANGEABLE
Boot,dust and Moisture Seal
5340-00-969-6673NC3030B15-32-32 INTERCHANGEABLE
Boot,dust and Moisture Seal
Apm Hexseal Corp
5340-01-097-9929 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-114-1843 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-123-1416 INTERCHANGEABLE
Boot,dust and Moisture Seal
Cross-Reference Index
Part NumberManufacturer
MIL-B-5423/7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
9195525 Us Army Aviation and Missile Command (USA)
M5423/07-01RED Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-5423/7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5930-00-064-2455INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-167-7827INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-407-0257INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-442-5701INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-755-2192INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-800-5770INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5340-00-969-6673INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
NC3030B15-32-32
5340-01-097-9929INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-114-1843INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-123-1416INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-244-9456INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-247-5944INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL

Frequently Asked Questions

What is NSN 5930-01-124-2050?

NSN 5930-01-124-2050 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 5930-01-124-2050?

NSN 5930-01-124-2050 has 4 cross-referenced part numbers: MIL-B-5423/7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 9195525 (Us Army Aviation and Missile Command), M5423/07-01RED (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-5423/7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5930-01-124-2050?

There are 12 known substitutes for 5930-01-124-2050: 5930-00-064-2455, 5930-00-167-7827, 5930-00-407-0257 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-B-5423/7?

Key specifications for MIL-B-5423/7: Hazardous Locations/environmental Protection: DUSTPROOF-NEMA TYPE 13 AND WATERTIGHT-NEMA TYPE 4; Opening Inside Diameter: 0.422 INCHES NOMINAL IN; Thread Length: 0.176 INCHES NOMINAL IN; Dome Height: 0.467 INCHES NOMINAL IN. 18 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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