PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-4Cap-Plug,protective,dust and Moi

Caplugs Llc Dba Mokon Div Caplugs · NSN 5340-01-242-6245 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-242-6245 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-242-6245. Primary manufacturer part number: W-4.
Features
  • Cap-Plug,protective,dust and Moi — FSC 5340
  • Open End Inside Diameter: 0.418 INCHES NOMINAL IN
  • Length Under Shoulder: 0.380 INCHES NOMINAL IN
  • Closed End Overall Diameter: 0.173 INCHES NOMINAL IN
  • Material: PLASTIC, POLYETHYLENE (PP)
  • 2 verified cross-references
  • Primary manufacturer: Caplugs Llc Dba Mokon Div Caplugs
Applications
  • Applications requiring Plastic, Polyethylene (pp) construction
General Description

The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-01-242-6245, 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 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-242-6245
Primary Part NumberW-4
Item NameCap-Plug,protective,dust and Moi
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCaplugs Llc Dba Mokon Div Caplugs
StatusACTIVE
Open End Inside Diameter0.418 INCHES NOMINAL IN
Length Under Shoulder0.380 INCHES NOMINAL IN
Closed End Overall Diameter0.173 INCHES NOMINAL IN
MaterialPLASTIC, POLYETHYLENE (PP)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 6
5120-00-142-5143W4 INTERCHANGEABLE
Wrench,pipe
Reliance Time Controls Inc
3426-00-243-3164W4 INTERCHANGEABLE
Tank,hot Dip,directly Heated
Aeroil Products Co Inc
3433-00-628-76840323-0130 INTERCHANGEABLE
Tip,welding Torch
Victor Equipment Co
3120-00-661-6781H3120-661-6781 INTERCHANGEABLE
Bearing,sleeve
Naval Inventory Control Point Mechanicsburg
5310-01-180-5093W4 INTERCHANGEABLE
Washer,lock
Mayline Co Inc
5120-01-631-3977W-4 INTERCHANGEABLE
Wedge,tool Handle
Ampco Partners, Ltd. Dba Ampco Safety Tools
Cross-Reference Index
Part NumberManufacturer
W-4 PRIMARY Caplugs Llc Dba Mokon Div Caplugs (USA)
CAPLUG-4W Caplugs Llc Dba Mokon Div Caplugs (USA)
Related Parts
5120-00-142-5143INTERCHANGEABLE
WRENCH,PIPE
W4
3426-00-243-3164INTERCHANGEABLE
TANK,HOT DIP,DIRECTLY HEATED
W4
3433-00-628-7684INTERCHANGEABLE
TIP,WELDING TORCH
0323-0130
3120-00-661-6781INTERCHANGEABLE
BEARING,SLEEVE
H3120-661-6781
5310-01-180-5093INTERCHANGEABLE
WASHER,LOCK
W4
5120-01-631-3977INTERCHANGEABLE
WEDGE,TOOL HANDLE
W-4

Frequently Asked Questions

What is NSN 5340-01-242-6245?

NSN 5340-01-242-6245 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 5340-01-242-6245?

NSN 5340-01-242-6245 has 2 cross-referenced part numbers: W-4 (Caplugs Llc Dba Mokon Div Caplugs), CAPLUG-4W (Caplugs Llc Dba Mokon Div Caplugs).

What NSN replaces 5340-01-242-6245?

There are 6 known substitutes for 5340-01-242-6245: 5120-00-142-5143, 3426-00-243-3164, 3433-00-628-7684 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-4?

Key specifications for W-4: Open End Inside Diameter: 0.418 INCHES NOMINAL IN; Length Under Shoulder: 0.380 INCHES NOMINAL IN; Closed End Overall Diameter: 0.173 INCHES NOMINAL IN; Material: PLASTIC, POLYETHYLENE (PP). 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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