PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N5030LBoot,dust and Moisture Seal

Apm Hexseal Corp · NSN 5340-01-018-9367 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-018-9367 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-018-9367. Primary manufacturer part number: N5030L.
Features
  • Boot,dust and Moisture Seal — FSC 5340
  • Thread Class: 2B
  • Material: RUBBER SILICONE BODY
  • Mounting Method: INTEGRAL THREADED NUT
  • Width Across Flats: 0.380 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 40
  • Opening Inside Diameter: 0.060 INCHES NOMINAL IN
  • Nominal Thread Size: 0.250 INCHES 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 5340-01-018-9367, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Apm Hexseal Corp. Government technical data includes 11 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-018-9367
Primary Part NumberN5030L
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerApm Hexseal Corp
StatusACTIVE
Thread Class2B
MaterialRUBBER SILICONE BODY
Mounting MethodINTEGRAL THREADED NUT
Width Across Flats0.380 INCHES NOMINAL IN
Thread Quantity Per Inch40
Opening Inside Diameter0.060 INCHES NOMINAL IN
Nominal Thread Size0.250 INCHES IN
Thread SeriesUNS
Base Thread LocationEXTERNAL
Style DesignatorCLOSED END
Mounting Device Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5930-00-128-29471906176-1 INTERCHANGEABLE
Boot,dust and Moisture Seal
Honeywell Intl Inc Defense Avionics Systems
5930-00-892-9362 INTERCHANGEABLE
Boot,dust and Moisture Seal
Cross-Reference Index
Part NumberManufacturer
N5030L PRIMARY Apm Hexseal Corp (USA)
BL8591 Breeze-Eastern Llc (USA)
Related Parts
5930-00-128-2947INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
1906176-1
5930-00-892-9362INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL

Frequently Asked Questions

What is NSN 5340-01-018-9367?

NSN 5340-01-018-9367 is a Boot,dust and Moisture Seal, manufactured by Apm Hexseal Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-018-9367?

NSN 5340-01-018-9367 has 2 cross-referenced part numbers: N5030L (Apm Hexseal Corp), BL8591 (Breeze-Eastern Llc).

What NSN replaces 5340-01-018-9367?

There are 2 known substitutes for 5340-01-018-9367: 5930-00-128-2947, 5930-00-892-9362. Verify interchangeability with system specifications before substitution.

What are the specifications of N5030L?

Key specifications for N5030L: Thread Class: 2B; Material: RUBBER SILICONE BODY; Mounting Method: INTEGRAL THREADED NUT; Width Across Flats: 0.380 INCHES NOMINAL IN. 12 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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