PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M5423/07-04REDBoot,dust and Moisture Seal

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5930-01-338-6406 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-338-6406 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-338-6406. Primary manufacturer part number: M5423/07-04RED.
Features
  • Boot,dust and Moisture Seal — FSC 5930
  • Dome Height: 0.281 INCHES MINIMUM IN
  • Mounting Method: THREADED HOLE(S)
  • Thread Series: UNEF
  • Base Thread Location: INTERNAL
  • Style Designator: CLOSED END
  • 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.).
  • Specification/standard Data: 81349-MIL-B-5423/7 GOVERNMENT SPECIFICATION
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 5930-01-338-6406, 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 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-338-6406
Primary Part NumberM5423/07-04RED
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
Dome Height0.281 INCHES MINIMUM IN
Mounting MethodTHREADED HOLE(S)
Thread SeriesUNEF
Base Thread LocationINTERNAL
Style DesignatorCLOSED END
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.).
Specification/standard Data81349-MIL-B-5423/7 GOVERNMENT SPECIFICATION
MaterialRUBBER SILICONE BODY
Width Across Flats0.750 INCHES NOMINAL IN
Nominal Thread Size0.625 INCHES IN
Thread Quantity Per Inch24
Thread Length0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Sealing MethodCOMPRESSION
Mounting Device Quantity1
Opening Inside Diameter0.516 INCHES NOMINAL IN
Thread Class2B
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
M5423/07-04RED 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
MIL-B-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
5930-01-124-2050INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-244-9456INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL

Frequently Asked Questions

What is NSN 5930-01-338-6406?

NSN 5930-01-338-6406 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 5930-01-338-6406?

NSN 5930-01-338-6406 has 3 cross-referenced part numbers: M5423/07-04RED (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), MIL-B-5423/7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5930-01-338-6406?

There are 12 known substitutes for 5930-01-338-6406: 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 M5423/07-04RED?

Key specifications for M5423/07-04RED: Dome Height: 0.281 INCHES MINIMUM IN; Mounting Method: THREADED HOLE(S); Thread Series: UNEF; Base Thread Location: INTERNAL. 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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