PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EC-9Cap,protective,dust and Moisture

Caplugs Llc Dba Mokon Div Caplugs · NSN 5340-01-240-8292 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-240-8292 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-240-8292. Primary manufacturer part number: EC-9.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Overall Diameter: 0.780 INCHES NOMINAL IN
  • Material: PLASTIC, POLYETHYLENE (PP)
  • Round Cap Outside Surface Condition: SMOOTH
  • Design Type: FRICTION
  • Inside Diameter Length: 0.440 INCHES NOMINAL IN
  • Tube Outside Diameter for Which Designed: 0.562 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Applications requiring Plastic, Polyethylene (pp) construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-240-8292, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caplugs Llc Dba Mokon Div Caplugs. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5340-01-240-8292
Primary Part NumberEC-9
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCaplugs Llc Dba Mokon Div Caplugs
StatusACTIVE
Overall Diameter0.780 INCHES NOMINAL IN
MaterialPLASTIC, POLYETHYLENE (PP)
Round Cap Outside Surface ConditionSMOOTH
Design TypeFRICTION
Inside Diameter Length0.440 INCHES NOMINAL IN
Tube Outside Diameter for Which Designed0.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-00-257-0044 (3038-9012PC9)
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5340-00-257-00443038-9012PC9 SUCCESSOR
Clamp,loop
Northrop Grumman Systems Corporation
6140-00-997-880782895 SUCCESSOR
Battery,storage
Enersys Corporation Div Motive Power National Accounts
Cross-Reference Index
Part NumberManufacturer
5340PL1605718 Jednolity Indeks Materialowy - Uniform Material Index (POL)
EC-9 Protective Closures Co Inc (USA)
EC-9 PRIMARY Caplugs Llc Dba Mokon Div Caplugs (USA)
Related Parts
SUCCESSOR 5340-00-257-0044 Clamp,loop · 3038-9012PC9
6140-00-997-8807SUCCESSOR
BATTERY,STORAGE
82895

Frequently Asked Questions

What is NSN 5340-01-240-8292?

NSN 5340-01-240-8292 is a Cap,protective,dust and Moisture, manufactured by Caplugs Llc Dba Mokon Div Caplugs, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-240-8292?

NSN 5340-01-240-8292 has 3 cross-referenced part numbers: 5340PL1605718 (Jednolity Indeks Materialowy - Uniform Material Index), EC-9 (Protective Closures Co Inc), EC-9 (Caplugs Llc Dba Mokon Div Caplugs).

What NSN replaces 5340-01-240-8292?

There are 2 known substitutes for 5340-01-240-8292: 5340-00-257-0044, 6140-00-997-8807. Verify interchangeability with system specifications before substitution.

What are the specifications of EC-9?

Key specifications for EC-9: Overall Diameter: 0.780 INCHES NOMINAL IN; Material: PLASTIC, POLYETHYLENE (PP); Round Cap Outside Surface Condition: SMOOTH; Design Type: FRICTION. 7 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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