PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12XCap-Plug,protective,dust and Moi

Caplugs Llc Dba Mokon Div Caplugs · NSN 5340-00-291-3642 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-291-3642 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-291-3642. Primary manufacturer part number: 12X.
Features
  • Cap-Plug,protective,dust and Moi — FSC 5340
  • Open End Inside Diameter: 0.960 INCHES NOMINAL IN
  • Material: PLASTIC
  • Closed End Overall Diameter: 0.915 INCHES NOMINAL IN
  • Length Under Shoulder: 0.687 INCHES NOMINAL IN
  • 4 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 5340-00-291-3642, 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 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-291-3642
Primary Part Number12X
Item NameCap-Plug,protective,dust and Moi
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCaplugs Llc Dba Mokon Div Caplugs
StatusACTIVE
Open End Inside Diameter0.960 INCHES NOMINAL IN
MaterialPLASTIC
Closed End Overall Diameter0.915 INCHES NOMINAL IN
Length Under Shoulder0.687 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5310-00-010-3028 INTERCHANGEABLE
Nut,plain,hexagon
2640-00-052-082808-4645-300-250 INTERCHANGEABLE
Patch,inner Tube Repair
Chief of Engineers Dept of Army
7690-01-254-409212-X INTERCHANGEABLE
Label
Precision Dynamics Corporation
Cross-Reference Index
Part NumberManufacturer
12X PRIMARY Caplugs Llc Dba Mokon Div Caplugs (USA)
TC15-1713 Anthony York Co (USA)
10-644-8-12X Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
12X Protective Closures Co Inc (USA)
Related Parts
5310-00-010-3028INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2640-00-052-0828INTERCHANGEABLE
PATCH,INNER TUBE REPAIR
08-4645-300-250
7690-01-254-4092INTERCHANGEABLE
LABEL
12-X

Frequently Asked Questions

What is NSN 5340-00-291-3642?

NSN 5340-00-291-3642 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 5340-00-291-3642?

NSN 5340-00-291-3642 has 4 cross-referenced part numbers: 12X (Caplugs Llc Dba Mokon Div Caplugs), TC15-1713 (Anthony York Co), 10-644-8-12X (Parker Hannifin Corporation Div Aerospace Group Headquarters), 12X (Protective Closures Co Inc).

What NSN replaces 5340-00-291-3642?

There are 3 known substitutes for 5340-00-291-3642: 5310-00-010-3028, 2640-00-052-0828, 7690-01-254-4092. Verify interchangeability with system specifications before substitution.

What are the specifications of 12X?

Key specifications for 12X: Open End Inside Diameter: 0.960 INCHES NOMINAL IN; Material: PLASTIC; Closed End Overall Diameter: 0.915 INCHES NOMINAL IN; Length Under Shoulder: 0.687 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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