PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9167481Boot,dust and Moisture Seal

Us Army Aviation and Missile Command · NSN 5340-00-681-0581 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-681-0581 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-681-0581. Primary manufacturer part number: 9167481.
Features
  • Boot,dust and Moisture Seal — FSC 5340
  • Mounting Device Quantity: 1
  • Opening Inside Diameter: 0.250 INCHES NOMINAL IN
  • Style Designator: THRU-HOLE
  • Base Thread Location: INTERNAL
  • Thread Length: 0.188 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32
  • Test Data Document: 81349-MILB12957 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.).
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 5340-00-681-0581, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5340-00-681-0581
Primary Part Number9167481
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Mounting Device Quantity1
Opening Inside Diameter0.250 INCHES NOMINAL IN
Style DesignatorTHRU-HOLE
Base Thread LocationINTERNAL
Thread Length0.188 INCHES NOMINAL IN
Thread Quantity Per Inch32
Test Data Document81349-MILB12957 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.).
Body Outside Diameter0.500 INCHES NOMINAL IN
Nondefinitive Spec/std DataC TYPE
Thread Class2B
Sealing MethodMECHANICAL
MaterialRUBBER SILICONE BODY
Mounting MethodINTEGRAL THREADED NUT
Thread SeriesUNEF
Nominal Thread Size0.375 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
Boot,dust and Moisture Seal
5930-00-578-2717 INTERCHANGEABLE
Boot,dust and Moisture Seal
Cross-Reference Index
Part NumberManufacturer
9167481 PRIMARY Us Army Aviation and Missile Command (USA)
MILB19257 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
TYPECCLASSISIZE2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5340-00-682-0577SUCCESSOR
BOOT,DUST AND MOISTURE SEAL
5930-00-578-2717INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL

Frequently Asked Questions

What is NSN 5340-00-681-0581?

NSN 5340-00-681-0581 is a Boot,dust and Moisture Seal, manufactured by Us Army Aviation and Missile Command, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-681-0581?

NSN 5340-00-681-0581 has 3 cross-referenced part numbers: 9167481 (Us Army Aviation and Missile Command), MILB19257 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), TYPECCLASSISIZE2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5340-00-681-0581?

There are 2 known substitutes for 5340-00-681-0581: 5340-00-682-0577, 5930-00-578-2717. Verify interchangeability with system specifications before substitution.

What are the specifications of 9167481?

Key specifications for 9167481: Mounting Device Quantity: 1; Opening Inside Diameter: 0.250 INCHES NOMINAL IN; Style Designator: THRU-HOLE; Base Thread Location: INTERNAL. 16 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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