PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51866Cap-Plug,protective,dust and Moi

Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc · NSN 5340-01-141-3993 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-141-3993 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-141-3993. Primary manufacturer part number: 51866.
Features
  • Cap-Plug,protective,dust and Moi — FSC 5340
  • Closed End Overall Diameter: 0.750 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • 1 verified cross-reference
  • Primary manufacturer: Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-01-141-3993, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-141-3993
Primary Part Number51866
Item NameCap-Plug,protective,dust and Moi
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerDucommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
StatusACTIVE
Closed End Overall Diameter0.750 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
5930-00-057-560351866 INTERCHANGEABLE
Switch,rotary
Cts Corp Electromechanical Div
3110-00-100-07262507 INTERCHANGEABLE
Cone and Rollers,tapered Roller
L & L Boiler Maintenance Inc
5340-00-629-8809 INTERCHANGEABLE
Bracket,mounting
1270-00-674-783551866 INTERCHANGEABLE
Gearshaft,output
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
1005-00-898-4200 INTERCHANGEABLE
Sear
2940-01-084-346751866 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
9540-01-300-286551866 INTERCHANGEABLE
Angle,structural
Aluminum Co of America
Cross-Reference Index
Part NumberManufacturer
51866 Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc (USA)
Related Parts
5930-00-057-5603INTERCHANGEABLE
SWITCH,ROTARY
51866
3110-00-100-0726INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2507
5340-00-629-8809INTERCHANGEABLE
BRACKET,MOUNTING
1270-00-674-7835INTERCHANGEABLE
GEARSHAFT,OUTPUT
51866
1005-00-898-4200INTERCHANGEABLE
SEAR
2940-01-084-3467INTERCHANGEABLE
FILTER ELEMENT,FLUID
51866
9540-01-300-2865INTERCHANGEABLE
ANGLE,STRUCTURAL
51866

Frequently Asked Questions

What is NSN 5340-01-141-3993?

NSN 5340-01-141-3993 is a Cap-Plug,protective,dust and Moi, manufactured by Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-141-3993?

NSN 5340-01-141-3993 has 1 cross-referenced part number: 51866 (Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc).

What NSN replaces 5340-01-141-3993?

There are 7 known substitutes for 5340-01-141-3993: 5930-00-057-5603, 3110-00-100-0726, 5340-00-629-8809 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51866?

Key specifications for 51866: Closed End Overall Diameter: 0.750 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 2 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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