PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

65303AXBoot,dust and Moisture Seal

Oshkosh Defense Llc · NSN 5930-00-689-6786 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-689-6786 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-689-6786. Primary manufacturer part number: 65303AX.
Features
  • Boot,dust and Moisture Seal — FSC 5930
  • Thread Class: 2B
  • Thread Series: UNS
  • Base Thread Location: INTERNAL
  • Mounting Method: INTEGRAL THREADED NUT
  • Opening Inside Diameter: 0.125 INCHES NOMINAL IN
  • Nominal Thread Size: 0.469 INCHES IN
  • Width Across Flats: 0.625 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 5930-00-689-6786, 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 Oshkosh Defense Llc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 49 commercial cross-references from 30 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-689-6786
Primary Part Number65303AX
Item NameBoot,dust and Moisture Seal
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusCANCELLED
Thread Class2B
Thread SeriesUNS
Base Thread LocationINTERNAL
Mounting MethodINTEGRAL THREADED NUT
Opening Inside Diameter0.125 INCHES NOMINAL IN
Nominal Thread Size0.469 INCHES IN
Width Across Flats0.625 INCHES NOMINAL IN
Thread Quantity Per Inch32
Thread Length0.176 INCHES NOMINAL IN
Mounting Device Quantity1
Hazardous Locations/environmental ProtectionDUSTPROOF-NEMA TYPE 13 AND WATERTIGHT-NEMA TYPE 4
MaterialRUBBER SILICONE BODY
Specification/standard Data81349-MIL-B-5423/1 GOVERNMENT SPECIFICATION
Dome Height0.791 INCHES NOMINAL IN
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.).
Sealing MethodCOMPRESSION
Material Thickness0.053 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5930-00-491-0643 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-644-0109 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-644-0110 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-690-4301 INTERCHANGEABLE
Boot,dust and Moisture Seal
5998-00-906-4694733713 INTERCHANGEABLE
Printed Circuit Board
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5930-01-110-2916 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-256-6670 INTERCHANGEABLE
Switch,push
5930-01-380-3366 INTERCHANGEABLE
Boot,dust and Moisture Seal
Cross-Reference Index
Part NumberManufacturer
65303AX Oshkosh Defense Llc (USA)
287-1118P001 Raytheon Company Div Corp (USA)
618A486H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
613676-4 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
419337-1 Raytheon Company Dba Raytheon (USA)
MIL-DTL-5423/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SW1AN1030 Safran Power Usa, Llc (USA)
PL1889386 IT. 33 Northrop Grumman Systems Corporation (USA)
50151 Multi-Flex Seals Inc (USA)
50151 Apm Hexseal Corp (USA)
5930PL1443798 Jednolity Indeks Materialowy - Uniform Material Index (POL)
829449-00 Defense Reduction Agency (USA)
M5423/01-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
502A56-1 Cardwell Condenser Corp Lapointe-Admiral Div (USA)
1AN1030 Cadillac Gage Textron Inc. (USA)
2630-048PC3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
733713 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
M1LB5423-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SWB100 Ge Aviation Systems Llc Dba Ge Aviation Div Information Systems - Germantown (USA)
SMB109142 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5930-00-491-0643INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-644-0109INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-644-0110INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-690-4301INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5998-00-906-4694INTERCHANGEABLE
PRINTED CIRCUIT BOARD
733713
5930-01-110-2916INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-256-6670INTERCHANGEABLE
SWITCH,PUSH
5930-01-380-3366INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL

Frequently Asked Questions

What is NSN 5930-00-689-6786?

NSN 5930-00-689-6786 is a Boot,dust and Moisture Seal, manufactured by Oshkosh Defense Llc, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-689-6786?

NSN 5930-00-689-6786 has 49 cross-referenced part numbers: 65303AX (Oshkosh Defense Llc), 287-1118P001 (Raytheon Company Div Corp), 618A486H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 613676-4 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), 419337-1 (Raytheon Company Dba Raytheon) and 44 more.

What NSN replaces 5930-00-689-6786?

There are 8 known substitutes for 5930-00-689-6786: 5930-00-491-0643, 5930-00-644-0109, 5930-00-644-0110 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 65303AX?

Key specifications for 65303AX: Thread Class: 2B; Thread Series: UNS; Base Thread Location: INTERNAL; Mounting Method: INTEGRAL THREADED NUT. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-689-6786 still in active supply?

NSN 5930-00-689-6786 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.
PartsTable Design LLC · partstable.com