PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CAPLUGS4Cap,protective,dust and Moisture

Caplugs Llc Dba Mokon Div Caplugs · NSN 5340-00-982-3876 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-982-3876 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-982-3876. Primary manufacturer part number: CAPLUGS4.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Design Type: FRICTION
  • Round Cap Outside Surface Condition: SMOOTH
  • Material: PLASTIC
  • Tube Outside Diameter for Which Designed: 0.347 INCHES NOMINAL IN
  • Inside Diameter Length: 0.375 INCHES NOMINAL IN
  • Overall Diameter: 0.625 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Applications requiring Plastic construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-982-3876, 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 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: PG.

Technical Specifications
ParameterValue
NSN5340-00-982-3876
Primary Part NumberCAPLUGS4
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCaplugs Llc Dba Mokon Div Caplugs
StatusCANCELLED
Design TypeFRICTION
Round Cap Outside Surface ConditionSMOOTH
MaterialPLASTIC
Tube Outside Diameter for Which Designed0.347 INCHES NOMINAL IN
Inside Diameter Length0.375 INCHES NOMINAL IN
Overall Diameter0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssuePG
Verified Substitutes 3
5340-00-222-8562140-38 SUCCESSOR
Clamp,loop
Hewlett-Packard Company Dba HP
5340-00-292-296710-644-8-2 SUCCESSOR
Cap-Plug,protective,dust and Moi
Parker Hannifin Corporation Div Hydraulic Systems Division
Button,door
Cross-Reference Index
Part NumberManufacturer
CAPLUGS4 PRIMARY Caplugs Llc Dba Mokon Div Caplugs (USA)
10-644-8-2-2 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
4 Caplugs Llc Dba Mokon Div Caplugs (USA)
Related Parts
5340-00-222-8562SUCCESSOR
CLAMP,LOOP
140-38
5340-00-292-2967SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
10-644-8-2
5340-00-783-9846SUCCESSOR
BUTTON,DOOR

Frequently Asked Questions

What is NSN 5340-00-982-3876?

NSN 5340-00-982-3876 is a Cap,protective,dust and Moisture, manufactured by Caplugs Llc Dba Mokon Div Caplugs, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-982-3876?

NSN 5340-00-982-3876 has 3 cross-referenced part numbers: CAPLUGS4 (Caplugs Llc Dba Mokon Div Caplugs), 10-644-8-2-2 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 4 (Caplugs Llc Dba Mokon Div Caplugs).

What NSN replaces 5340-00-982-3876?

There are 3 known substitutes for 5340-00-982-3876: 5340-00-222-8562, 5340-00-292-2967, 5340-00-783-9846. Verify interchangeability with system specifications before substitution.

What are the specifications of CAPLUGS4?

Key specifications for CAPLUGS4: Design Type: FRICTION; Round Cap Outside Surface Condition: SMOOTH; Material: PLASTIC; Tube Outside Diameter for Which Designed: 0.347 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-982-3876 still in active supply?

NSN 5340-00-982-3876 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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