PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5XCap,protective,dust and Moisture

Caplugs Llc Dba Mokon Div Caplugs · NSN 5340-00-855-0805 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-855-0805 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-855-0805. Primary manufacturer part number: 5X.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Design Type: FRICTION
  • Round Cap Outside Surface Condition: SMOOTH
  • Tube Outside Diameter for Which Designed: 0.516 INCHES NOMINAL IN
  • Inside Diameter Length: 0.440 INCHES NOMINAL IN
  • Overall Diameter: 0.720 INCHES NOMINAL IN
  • Material: PLASTIC
  • 3 verified cross-references
Applications
  • Applications requiring Plastic construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-855-0805, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-855-0805
Primary Part Number5X
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
Tube Outside Diameter for Which Designed0.516 INCHES NOMINAL IN
Inside Diameter Length0.440 INCHES NOMINAL IN
Overall Diameter0.720 INCHES NOMINAL IN
MaterialPLASTIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
No Item Name Available
5905-00-173-9495 INTERCHANGEABLE
Resistor,fixed,wire Wound
5905-00-257-83865X302J INTERCHANGEABLE
Resistor,fixed,wire Wound
Ward Leonard Ct Llc
5905-00-279-731102224960 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Thales Components Corp Div Thales Components Corporation
5905-00-502-0783 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5905-00-681-8637 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
7690-01-255-6309 INTERCHANGEABLE
Label
7690-01-326-52155-X INTERCHANGEABLE
Label
Automatic Business Products Company Inc Div Pharmex
Cross-Reference Index
Part NumberManufacturer
5X Protective Closures Co Inc (USA)
8812833 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA)
5X PRIMARY Caplugs Llc Dba Mokon Div Caplugs (USA)
Related Parts
5340-00-844-1802SUCCESSOR
NO ITEM NAME AVAILABLE
5905-00-173-9495INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5905-00-257-8386INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5X302J
5905-00-279-7311INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
02224960
5905-00-502-0783INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5905-00-681-8637INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
7690-01-255-6309INTERCHANGEABLE
LABEL
7690-01-326-5215INTERCHANGEABLE
LABEL
5-X

Frequently Asked Questions

What is NSN 5340-00-855-0805?

NSN 5340-00-855-0805 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 5340-00-855-0805?

NSN 5340-00-855-0805 has 3 cross-referenced part numbers: 5X (Protective Closures Co Inc), 8812833 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament), 5X (Caplugs Llc Dba Mokon Div Caplugs).

What NSN replaces 5340-00-855-0805?

There are 8 known substitutes for 5340-00-855-0805: 5340-00-844-1802, 5905-00-173-9495, 5905-00-257-8386 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5X?

Key specifications for 5X: Design Type: FRICTION; Round Cap Outside Surface Condition: SMOOTH; Tube Outside Diameter for Which Designed: 0.516 INCHES NOMINAL IN; Inside Diameter Length: 0.440 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-855-0805 still in active supply?

NSN 5340-00-855-0805 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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