PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILB5423-5Boot,dust and Moisture Seal

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5930-00-792-1499 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-792-1499 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-792-1499. Primary manufacturer part number: MILB5423-5.
Features
  • Boot,dust and Moisture Seal — FSC 5930
  • Mounting Method: INTEGRAL THREADED NUT
  • Opening Inside Diameter: 0.064 INCHES NOMINAL IN
  • Material: RUBBER SILICONE BODY
  • Nondefinitive Spec/std Data: A TYPE AND 7 STYLE AND 2 SIZE
  • Material Thickness: 0.070 INCHES NOMINAL IN
  • Style Designator: CLOSED END
  • Thread Class: 2B
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 5930-00-792-1499, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-792-1499
Primary Part NumberMILB5423-5
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
Mounting MethodINTEGRAL THREADED NUT
Opening Inside Diameter0.064 INCHES NOMINAL IN
MaterialRUBBER SILICONE BODY
Nondefinitive Spec/std DataA TYPE AND 7 STYLE AND 2 SIZE
Material Thickness0.070 INCHES NOMINAL IN
Style DesignatorCLOSED END
Thread Class2B
Nominal Thread Size0.250 INCHES IN
Mounting Device Quantity1
Thread SeriesUNS
Width Across Flats0.375 INCHES NOMINAL IN
Thread Length0.075 INCHES NOMINAL IN
Sealing MethodCOMPRESSION
Thread Quantity Per Inch40
Base Thread LocationINTERNAL
Base Height0.095 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-460-5615 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-892-9362 INTERCHANGEABLE
Boot,dust and Moisture Seal
Cross-Reference Index
Part NumberManufacturer
MILB5423-5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5930-00-460-5615INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-892-9362INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL

Frequently Asked Questions

What is NSN 5930-00-792-1499?

NSN 5930-00-792-1499 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 5930-00-792-1499?

NSN 5930-00-792-1499 has 1 cross-referenced part number: MILB5423-5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5930-00-792-1499?

There are 2 known substitutes for 5930-00-792-1499: 5930-00-460-5615, 5930-00-892-9362. Verify interchangeability with system specifications before substitution.

What are the specifications of MILB5423-5?

Key specifications for MILB5423-5: Mounting Method: INTEGRAL THREADED NUT; Opening Inside Diameter: 0.064 INCHES NOMINAL IN; Material: RUBBER SILICONE BODY; Nondefinitive Spec/std Data: A TYPE AND 7 STYLE AND 2 SIZE. 17 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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