PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-2SCCap,protective,dust and Moisture

Caplugs Llc Dba Mokon Div Caplugs · NSN 5340-00-826-0423 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-826-0423 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-826-0423. Primary manufacturer part number: 1-2SC.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Design Type: FRICTION
  • Material: PLASTIC
  • Inside Diameter Length: 0.880 INCHES NOMINAL IN
  • Overall Diameter: 0.550 INCHES NOMINAL IN
  • Tube Outside Diameter for Which Designed: 0.500 INCHES NOMINAL IN
  • Round Cap Outside Surface Condition: SMOOTH
  • 4 verified cross-references
Applications
  • Applications requiring Plastic construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-826-0423, 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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5340-00-826-0423
Primary Part Number1-2SC
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCaplugs Llc Dba Mokon Div Caplugs
StatusCANCELLED
Design TypeFRICTION
MaterialPLASTIC
Inside Diameter Length0.880 INCHES NOMINAL IN
Overall Diameter0.550 INCHES NOMINAL IN
Tube Outside Diameter for Which Designed0.500 INCHES NOMINAL IN
Round Cap Outside Surface ConditionSMOOTH
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
No Item Name Available
6140-00-883-2055411550-060 SUCCESSOR
Battery,storage
Saft America Inc. Dba Tadiran Batteries Div Aviation Division
5340-01-617-36246823492-12 INTERCHANGEABLE
Cap
Rolls-Royce Corporation
Cross-Reference Index
Part NumberManufacturer
1-2SC PRIMARY Caplugs Llc Dba Mokon Div Caplugs (USA)
10609 1-2SC Caplugs Llc Dba Mokon Div Caplugs (USA)
6823492-12 General Motors Corp (USA)
6823492-12 Allison Transmission Inc Dba Allison Transmission, Inc (USA)
Related Parts
5340-00-866-0856SUCCESSOR
NO ITEM NAME AVAILABLE
6140-00-883-2055SUCCESSOR
BATTERY,STORAGE
411550-060
5340-01-617-3624INTERCHANGEABLE
CAP
6823492-12

Frequently Asked Questions

What is NSN 5340-00-826-0423?

NSN 5340-00-826-0423 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 5340-00-826-0423?

NSN 5340-00-826-0423 has 4 cross-referenced part numbers: 1-2SC (Caplugs Llc Dba Mokon Div Caplugs), 10609 1-2SC (Caplugs Llc Dba Mokon Div Caplugs), 6823492-12 (General Motors Corp), 6823492-12 (Allison Transmission Inc Dba Allison Transmission, Inc).

What NSN replaces 5340-00-826-0423?

There are 3 known substitutes for 5340-00-826-0423: 5340-00-866-0856, 6140-00-883-2055, 5340-01-617-3624. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-2SC?

Key specifications for 1-2SC: Design Type: FRICTION; Material: PLASTIC; Inside Diameter Length: 0.880 INCHES NOMINAL IN; Overall Diameter: 0.550 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-826-0423 still in active supply?

NSN 5340-00-826-0423 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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