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 5930-00-064-2455 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-064-2455 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-064-2455. Primary manufacturer part number: MIL-B-5423/7.
Features
  • Boot,dust and Moisture Seal — FSC 5930
  • 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.).
  • Mounting Device Quantity: 1
  • Dome Height: 0.467 INCHES NOMINAL IN
  • Nominal Thread Size: 0.469 INCHES IN
  • Width Across Flats: 0.750 INCHES NOMINAL IN
  • Mounting Method: INTEGRAL THREADED NUT
  • Base Inside Diameter: 0.516 INCHES NOMINAL IN
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 5930-00-064-2455, 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 17 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-064-2455
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
StatusCANCELLED
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.).
Mounting Device Quantity1
Dome Height0.467 INCHES NOMINAL IN
Nominal Thread Size0.469 INCHES IN
Width Across Flats0.750 INCHES NOMINAL IN
Mounting MethodINTEGRAL THREADED NUT
Base Inside Diameter0.516 INCHES NOMINAL IN
Style DesignatorCLOSED END
Thread SeriesUNS
Specification/standard Data81349-MIL-B-5423/7 GOVERNMENT SPECIFICATION
Base Thread LocationEXTERNAL
Thread Length0.176 INCHES NOMINAL IN
Thread Quantity Per Inch32
MaterialRUBBER SILICONE BODY
Thread Class2B
Hazardous Locations/environmental ProtectionDUSTPROOF-NEMA TYPE 13 AND WATERTIGHT-NEMA TYPE 4
Base Height0.186 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5930-00-167-7827 INTERCHANGEABLE
Boot,dust and Moisture Seal
5306-00-206-2865AN6-14A INTERCHANGEABLE
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5930-00-407-0257 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-442-5701 INTERCHANGEABLE
Boot,dust and Moisture Seal
5995-00-557-392440201 INTERCHANGEABLE
Cable Assembly,power,electrical
Unison Industries Llc
5930-00-755-2192 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-800-5770 INTERCHANGEABLE
Boot,dust and Moisture Seal
4310-00-895-78006442HP INTERCHANGEABLE
Connecting Rod,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5340-00-969-6673NC3030B15-32-32 INTERCHANGEABLE
Boot,dust and Moisture Seal
Apm Hexseal Corp
6210-01-011-9586402-01 INTERCHANGEABLE
Filter,indicator Light
Switchcraft Inc.
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
1088823PC2 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
40201 Apm Hexseal Corp (USA)
G221750-5 At and T Corp (USA)
2562-43548 Unisys Corp Defense Systems C S D Field Engineering (USA)
G221750-5 American Telephone and Telegraph Co (USA)
MIL-DTL-5423/7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
8519562 Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
N3040BLK Apm Hexseal Corp (USA)
SYMZ-70277-10 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
MS423/07-04 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
77677-12X1R01 PIECE 11 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
5930PL1361077 Jednolity Indeks Materialowy - Uniform Material Index (POL)
M5423/07-04 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILB5423-7TYPEBSTYLE Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NA632362-5 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
632362-15 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5930-00-167-7827INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5306-00-206-2865INTERCHANGEABLE
BOLT,MACHINE
AN6-14A
5930-00-407-0257INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-442-5701INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5995-00-557-3924INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
40201
5930-00-755-2192INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-800-5770INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
4310-00-895-7800INTERCHANGEABLE
CONNECTING ROD,PISTON
6442HP
5340-00-969-6673INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
NC3030B15-32-32
6210-01-011-9586INTERCHANGEABLE
FILTER,INDICATOR LIGHT
402-01
5340-01-097-9929INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-114-1843INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL

Frequently Asked Questions

What is NSN 5930-00-064-2455?

NSN 5930-00-064-2455 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: cancelled.

What are the part numbers for NSN 5930-00-064-2455?

NSN 5930-00-064-2455 has 17 cross-referenced part numbers: MIL-B-5423/7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1088823PC2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 40201 (Apm Hexseal Corp), G221750-5 (At and T Corp), 2562-43548 (Unisys Corp Defense Systems C S D Field Engineering) and 12 more.

What NSN replaces 5930-00-064-2455?

There are 12 known substitutes for 5930-00-064-2455: 5930-00-167-7827, 5306-00-206-2865, 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: Overall Height: 0.547 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.).; Mounting Device Quantity: 1; Dome Height: 0.467 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-064-2455 still in active supply?

NSN 5930-00-064-2455 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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