PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1088823-2Boot,dust and Moisture Seal

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5340-00-253-7163 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-253-7163 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-253-7163. Primary manufacturer part number: 1088823-2.
Features
  • Boot,dust and Moisture Seal — FSC 5340
  • Thread Series: UNS
  • Base Thread Location: INTERNAL
  • Material: RUBBER SILICONE BODY
  • Style Designator: CLOSED END
  • Opening Inside Diameter: 0.422 INCHES NOMINAL IN
  • Width Across Flats: 0.625 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32
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 5340-00-253-7163, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-253-7163
Primary Part Number1088823-2
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Thread SeriesUNS
Base Thread LocationINTERNAL
MaterialRUBBER SILICONE BODY
Style DesignatorCLOSED END
Opening Inside Diameter0.422 INCHES NOMINAL IN
Width Across Flats0.625 INCHES NOMINAL IN
Thread Quantity Per Inch32
Thread Length0.176 INCHES NOMINAL IN
Thread Class2B
Dome Height0.281 INCHES NOMINAL IN
Mounting MethodTHREAD
Nominal Thread Size0.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
5340-00-636-4904NH3030 INTERCHANGEABLE
Boot,dust and Moisture Seal
Apm Hexseal Corp
Cross-Reference Index
Part NumberManufacturer
NH-3030 L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA)
1088823-2 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5340-00-636-4904INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
NH3030

Frequently Asked Questions

What is NSN 5340-00-253-7163?

NSN 5340-00-253-7163 is a Boot,dust and Moisture Seal, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-253-7163?

NSN 5340-00-253-7163 has 2 cross-referenced part numbers: NH-3030 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation), 1088823-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5340-00-253-7163?

There is 1 known substitute for 5340-00-253-7163: 5340-00-636-4904. Verify interchangeability with system specifications before substitution.

What are the specifications of 1088823-2?

Key specifications for 1088823-2: Thread Series: UNS; Base Thread Location: INTERNAL; Material: RUBBER SILICONE BODY; Style Designator: CLOSED END. 14 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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