PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SC2-1-2Cap,protective,dust and Moisture

Caplugs Llc Dba Mokon Div Caplugs · NSN 5340-00-840-1643 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-840-1643 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-840-1643. Primary manufacturer part number: SC2-1-2.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • 5 verified cross-references
  • Primary manufacturer: Caplugs Llc Dba Mokon Div Caplugs
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-840-1643, 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. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Catalog Facts
Item NameCap,protective,dust and Moisture
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersNiagara Plastics L.l.c. (CAGE 23540); Caplugs Llc Dba Mokon Div Caplugs (CAGE 99017); Protective Closures Co Inc (CAGE 95760); Bunzl Plastic Inc Dba Alliance Plastics (CAGE 34669)
Successor NSN5340-00-622-8700 — No Item Name Available
Technical Specifications
ParameterValue
NSN5340-00-840-1643
Primary Part NumberSC2-1-2
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCaplugs Llc Dba Mokon Div Caplugs
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
No Item Name Available
Catch,clamping
5330-00-016-8438A212 INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division
5970-00-284-8796A1 INTERCHANGEABLE
Insulator,bushing
Graybar Electric Company, Inc. Dba Graybar Electric
6340-00-347-4713A21-1C INTERCHANGEABLE
Control Assy,warnin
Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial
4820-00-369-7438OCR19-XR INTERCHANGEABLE
Valve,angle
Brass Craft Mfg Co Sub of Masco Corp
5315-00-805-5290A2-12 INTERCHANGEABLE
Pin,straight,headless
Roller Bearing Co of America, Inc Div Pic Design
5950-01-035-4724A212 INTERCHANGEABLE
Coil,radio Frequency
International Microwave Corp
5945-01-041-0267A21-2 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
3426-01-242-79621300 5060 INTERCHANGEABLE
Anode,plating
Sifco Applied Surface Concepts, Llc
Cross-Reference Index
Part NumberManufacturer
227 Niagara Plastics L.l.c. (USA)
2-1-2SC Caplugs Llc Dba Mokon Div Caplugs (USA)
SC2-1-2 Protective Closures Co Inc (USA)
SC2-1-2 PRIMARY Caplugs Llc Dba Mokon Div Caplugs (USA)
A2-1/2 Bunzl Plastic Inc Dba Alliance Plastics (USA)
Related Parts
5340-00-622-8700SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-205-5160SUCCESSOR
CATCH,CLAMPING
5330-00-016-8438INTERCHANGEABLE
PACKING,PREFORMED
A212
5970-00-284-8796INTERCHANGEABLE
INSULATOR,BUSHING
A1
6340-00-347-4713INTERCHANGEABLE
CONTROL ASSY,WARNIN
A21-1C
4820-00-369-7438INTERCHANGEABLE
VALVE,ANGLE
OCR19-XR
5315-00-805-5290INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A2-12
5950-01-035-4724INTERCHANGEABLE
COIL,RADIO FREQUENCY
A212
5945-01-041-0267INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
A21-2
3426-01-242-7962INTERCHANGEABLE
ANODE,PLATING
1300 5060
6545-01-524-4433INTERCHANGEABLE
PHYSICAL THERAPY LONG SHELF LIFE
A212
3010-01-552-8286INTERCHANGEABLE
COUPLING,SHAFT,RIGID
685144-63252

Frequently Asked Questions

What is NSN 5340-00-840-1643?

NSN 5340-00-840-1643 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 5340-00-840-1643?

NSN 5340-00-840-1643 has 5 cross-referenced part numbers: 227 (Niagara Plastics L.l.c.), 2-1-2SC (Caplugs Llc Dba Mokon Div Caplugs), SC2-1-2 (Protective Closures Co Inc), SC2-1-2 (Caplugs Llc Dba Mokon Div Caplugs), A2-1/2 (Bunzl Plastic Inc Dba Alliance Plastics).

What NSN replaces 5340-00-840-1643?

There are 12 known substitutes for 5340-00-840-1643: 5340-00-622-8700, 5340-00-205-5160, 5330-00-016-8438 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5340-00-840-1643 still in active supply?

NSN 5340-00-840-1643 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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