PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81865-2Boot,dust and Moisture Seal

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5930-01-202-2631 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-202-2631 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-202-2631. Primary manufacturer part number: 81865-2.
Features
  • Boot,dust and Moisture Seal — FSC 5930
  • Sealing Method: MECHANICAL
  • Thread Class: 2B
  • Thread Quantity Per Inch: 32
  • Material: RUBBER SILICONE BODY
  • Style Designator: CLOSED END
  • Base Thread Location: INTERNAL
  • Mounting Method: INTEGRAL THREADED NUT
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 5930-01-202-2631, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-202-2631
Primary Part Number81865-2
Item NameBoot,dust and Moisture Seal
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Sealing MethodMECHANICAL
Thread Class2B
Thread Quantity Per Inch32
MaterialRUBBER SILICONE BODY
Style DesignatorCLOSED END
Base Thread LocationINTERNAL
Mounting MethodINTEGRAL THREADED NUT
Opening Inside Diameter0.422 INCHES NOMINAL IN
Nominal Thread Size0.469 INCHES IN
Thread SeriesUNS
Width Across Flats0.625 INCHES NOMINAL IN
Dome Height0.500 INCHES NOMINAL IN
Mounting Device Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5940-00-204-9167321022 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5940-00-557-1630MS25036-147 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
3120-00-689-77798186-52 INTERCHANGEABLE
Bushing,sleeve
Columbus Jack Corporation Div Columbus Jack
5330-01-229-809136256-2 INTERCHANGEABLE
Packing,preformed
Hamilton Sundstrand Corporation
Cross-Reference Index
Part NumberManufacturer
81865-2 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
81865-2 United Technologies Corp Hamilton Sundstrand Corp (USA)
NC3030RF1-2513 Te Connectivity Corporation (USA)
NC3030RFI-2513CLEAR Te Connectivity Corporation (USA)
M205-56 Miltope Corporation (USA)
321022 Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit (USA)
NC3030RFI-2513 CLEAR Apm Hexseal Corp (USA)
Related Parts
5940-00-204-9167INTERCHANGEABLE
TERMINAL,LUG
321022
5940-00-557-1630INTERCHANGEABLE
TERMINAL,LUG
MS25036-147
3120-00-689-7779INTERCHANGEABLE
BUSHING,SLEEVE
8186-52
5330-01-229-8091INTERCHANGEABLE
PACKING,PREFORMED
36256-2

Frequently Asked Questions

What is NSN 5930-01-202-2631?

NSN 5930-01-202-2631 is a Boot,dust and Moisture Seal, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-202-2631?

NSN 5930-01-202-2631 has 7 cross-referenced part numbers: 81865-2 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 81865-2 (United Technologies Corp Hamilton Sundstrand Corp), NC3030RF1-2513 (Te Connectivity Corporation), NC3030RFI-2513CLEAR (Te Connectivity Corporation), M205-56 (Miltope Corporation) and 2 more.

What NSN replaces 5930-01-202-2631?

There are 4 known substitutes for 5930-01-202-2631: 5940-00-204-9167, 5940-00-557-1630, 3120-00-689-7779 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81865-2?

Key specifications for 81865-2: Sealing Method: MECHANICAL; Thread Class: 2B; Thread Quantity Per Inch: 32; Material: RUBBER SILICONE BODY. 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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