PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GC5Cap,protective,dust and Moisture

Caplugs Llc Dba Mokon Div Caplugs · NSN 5340-00-005-8233 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-005-8233 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-005-8233. Primary manufacturer part number: GC5.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Thread Class: 2A A
  • Round Cap Outside Surface Condition: KNURLED
  • Design Type: THREADED
  • Material: PLASTIC, POLYETHYLENE (PP)
  • Thread Size and Series/type Designator: 1/2-20 UNF
  • Tube Outside Diameter for Which Designed: 0.312 INCHES NOMINAL IN
  • Overall Diameter: 0.688 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic, Polyethylene (pp) construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-005-8233, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-005-8233
Primary Part NumberGC5
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCaplugs Llc Dba Mokon Div Caplugs
StatusCANCELLED
Thread Class2A A
Round Cap Outside Surface ConditionKNURLED
Design TypeTHREADED
MaterialPLASTIC, POLYETHYLENE (PP)
Thread Size and Series/type Designator1/2-20 UNF
Tube Outside Diameter for Which Designed0.312 INCHES NOMINAL IN
Overall Diameter0.688 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5999-00-491-675002030 INTERCHANGEABLE
Clip,electrical
Lenco Dba Nlc Inc Electronis Div
5955-01-222-8518B39-1 INTERCHANGEABLE
Crystal Unit,quartz
Bliley Technologies Inc
Cross-Reference Index
Part NumberManufacturer
904768-1 Raytheon Company Dba Raytheon (USA)
B391 Glenair, Inc. (USA)
B391 Caplugs Llc Dba Mokon Div Caplugs (USA)
GC5 PRIMARY Caplugs Llc Dba Mokon Div Caplugs (USA)
Related Parts
5999-00-491-6750INTERCHANGEABLE
CLIP,ELECTRICAL
02030
5955-01-222-8518INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
B39-1

Frequently Asked Questions

What is NSN 5340-00-005-8233?

NSN 5340-00-005-8233 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 5340-00-005-8233?

NSN 5340-00-005-8233 has 4 cross-referenced part numbers: 904768-1 (Raytheon Company Dba Raytheon), B391 (Glenair, Inc.), B391 (Caplugs Llc Dba Mokon Div Caplugs), GC5 (Caplugs Llc Dba Mokon Div Caplugs).

What NSN replaces 5340-00-005-8233?

There are 2 known substitutes for 5340-00-005-8233: 5999-00-491-6750, 5955-01-222-8518. Verify interchangeability with system specifications before substitution.

What are the specifications of GC5?

Key specifications for GC5: Thread Class: 2A A; Round Cap Outside Surface Condition: KNURLED; Design Type: THREADED; End Item Identification: MRAP - COUGAR CAT1 A1. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-005-8233 still in active supply?

NSN 5340-00-005-8233 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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