PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SC437-C01Cap,protective,dust and Moisture

Caplugs, Inc. · NSN 5340-01-681-3626 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-681-3626 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-681-3626. Primary manufacturer part number: SC437-C01.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • 2 verified cross-references
  • Primary manufacturer: Caplugs, Inc.
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 5340-01-681-3626, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caplugs, Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCap,protective,dust and Moisture
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersCaplugs, Inc. (CAGE 4RWZ7); Weatherhaven Global Resources (CAGE 2C081)
Technical Specifications
ParameterValue
NSN5340-01-681-3626
Primary Part NumberSC437-C01
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCaplugs, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6675-00-378-9402 INTERCHANGEABLE
Insulation,vertical
5310-00-761-6882 INTERCHANGEABLE
Nut,plain,hexagon
2805-01-102-5278129101 INTERCHANGEABLE
Flange Input
Clark Material Handling Company
5975-01-543-422112910-1 INTERCHANGEABLE
Panel,electrical-Electronic Equi
Coda Octopus Engineering, Inc.
Cross-Reference Index
Part NumberManufacturer
SC437-C01 PRIMARY Caplugs, Inc. (USA)
129101 Weatherhaven Global Resources (CAN)
Related Parts
6675-00-378-9402INTERCHANGEABLE
INSULATION,VERTICAL
5310-00-761-6882INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2805-01-102-5278INTERCHANGEABLE
FLANGE INPUT
129101
5975-01-543-4221INTERCHANGEABLE
PANEL,ELECTRICAL-ELECTRONIC EQUI
12910-1

Frequently Asked Questions

What is NSN 5340-01-681-3626?

NSN 5340-01-681-3626 is a Cap,protective,dust and Moisture, manufactured by Caplugs, Inc., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-681-3626?

NSN 5340-01-681-3626 has 2 cross-referenced part numbers: SC437-C01 (Caplugs, Inc.), 129101 (Weatherhaven Global Resources).

What NSN replaces 5340-01-681-3626?

There are 4 known substitutes for 5340-01-681-3626: 6675-00-378-9402, 5310-00-761-6882, 2805-01-102-5278 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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