PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25ACap-Plug,protective,dust and Moi

Caplugs Llc Dba Mokon Div Caplugs · NSN 5340-00-290-7243 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-290-7243 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-290-7243. Primary manufacturer part number: 25A.
Features
  • Cap-Plug,protective,dust and Moi — FSC 5340
  • Open End Inside Diameter: 2.344 INCHES NOMINAL IN
  • Material: PLASTIC
  • Length Under Shoulder: 1.000 INCHES NOMINAL IN
  • Closed End Overall Diameter: 2.125 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Caplugs Llc Dba Mokon Div Caplugs
Applications
  • Applications requiring Plastic construction
General Description

The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-00-290-7243, 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 4 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-290-7243
Primary Part Number25A
Item NameCap-Plug,protective,dust and Moi
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCaplugs Llc Dba Mokon Div Caplugs
StatusACTIVE
Open End Inside Diameter2.344 INCHES NOMINAL IN
MaterialPLASTIC
Length Under Shoulder1.000 INCHES NOMINAL IN
Closed End Overall Diameter2.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
6240-00-143-3059 INTERCHANGEABLE
Lamp,incandescent
6240-00-155-8651 INTERCHANGEABLE
Lamp,incandescent
5905-00-173-5681 INTERCHANGEABLE
Resistor,adjustable
5905-00-186-21932LA43D2500 INTERCHANGEABLE
Resistor,adjustable
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5940-00-199-962125A INTERCHANGEABLE
Terminal Board
Lucent Technologies Inc Corporate Headquarters
5905-00-279-5427WL25A3000WITHPUSH1 INTERCHANGEABLE
Resistor,adjustable
Ward Leonard Ct Llc
5905-00-284-33380366-50P0RM5 INTERCHANGEABLE
Resistor,adjustable
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
6240-00-299-768517-6760-025-200 INTERCHANGEABLE
Lamp,incandescent
Chief of Engineers Dept of Army
5325-00-489-306525A INTERCHANGEABLE
Grommet,nonmetallic
Pierce-Roberts Rubber Company Dba Pierce Roberts Rubber
5130-00-496-60722-5A INTERCHANGEABLE
Valve,air Control
Ingersoll Rand Co
Cross-Reference Index
Part NumberManufacturer
25A PRIMARY Caplugs Llc Dba Mokon Div Caplugs (USA)
SIZE25A Protective Closures Co Inc (USA)
Related Parts
6240-00-143-3059INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-155-8651INTERCHANGEABLE
LAMP,INCANDESCENT
5905-00-173-5681INTERCHANGEABLE
RESISTOR,ADJUSTABLE
5905-00-186-2193INTERCHANGEABLE
RESISTOR,ADJUSTABLE
2LA43D2500
5940-00-199-9621INTERCHANGEABLE
TERMINAL BOARD
25A
5905-00-279-5427INTERCHANGEABLE
RESISTOR,ADJUSTABLE
WL25A3000WITHPUSH1
5905-00-284-3338INTERCHANGEABLE
RESISTOR,ADJUSTABLE
0366-50P0RM5
6240-00-299-7685INTERCHANGEABLE
LAMP,INCANDESCENT
17-6760-025-200
5325-00-489-3065INTERCHANGEABLE
GROMMET,NONMETALLIC
25A
5130-00-496-6072INTERCHANGEABLE
VALVE,AIR CONTROL
2-5A
6115-00-539-0227INTERCHANGEABLE
GENERATOR,THERMOELECTRIC
25A
6625-00-543-9481INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
25A

Frequently Asked Questions

What is NSN 5340-00-290-7243?

NSN 5340-00-290-7243 is a Cap-Plug,protective,dust and Moi, 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 5340-00-290-7243?

NSN 5340-00-290-7243 has 2 cross-referenced part numbers: 25A (Caplugs Llc Dba Mokon Div Caplugs), SIZE25A (Protective Closures Co Inc).

What NSN replaces 5340-00-290-7243?

There are 12 known substitutes for 5340-00-290-7243: 6240-00-143-3059, 6240-00-155-8651, 5905-00-173-5681 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25A?

Key specifications for 25A: Open End Inside Diameter: 2.344 INCHES NOMINAL IN; Material: PLASTIC; Length Under Shoulder: 1.000 INCHES NOMINAL IN; Closed End Overall Diameter: 2.125 INCHES NOMINAL IN. 4 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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