PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S125Button,plug

Egs Electrical Group Appleton Div · NSN 5340-00-329-4419 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-329-4419 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-329-4419. Primary manufacturer part number: S125.
Features
  • Button,plug — FSC 5340
  • Style Designator: DOMED CENTER
  • Material Accommodated Thickness: 0.065 INCHES NOMINAL IN
  • Surface Treatment: ZINC
  • Head Height: 0.060 INCHES NOMINAL IN
  • Hole Accommodation Diameter: 1.090 INCHES NOMINAL IN
  • Prong Quantity: 8
  • Prong Outside Diameter: 1.110 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Button,plug, cataloged under National Stock Number 5340-00-329-4419, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Egs Electrical Group Appleton Div. Government technical data includes 10 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-329-4419
Primary Part NumberS125
Item NameButton,plug
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerEgs Electrical Group Appleton Div
StatusCANCELLED
Style DesignatorDOMED CENTER
Material Accommodated Thickness0.065 INCHES NOMINAL IN
Surface TreatmentZINC
Head Height0.060 INCHES NOMINAL IN
Hole Accommodation Diameter1.090 INCHES NOMINAL IN
Prong Quantity8
Prong Outside Diameter1.110 INCHES NOMINAL IN
MaterialSTEEL
Head Outside Diameter1.812 INCHES NOMINAL IN
Material Document and ClassificationASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
5330-00-345-2265S12-5 INTERCHANGEABLE
Retainer,packing
Arkwin Industries, Inc. Dba Arkwin Industries Inc
5930-00-412-1056 INTERCHANGEABLE
Switch,knife
5998-00-460-04486723-00386 INTERCHANGEABLE
Circuit Card Assembly
Bae Systems (operations) Limited
5930-00-486-7052 INTERCHANGEABLE
Adapter,switch Actuator
5305-00-576-698760X3210 INTERCHANGEABLE
Screw,cap,hexagon Head
Napco International Llc Dba Napco International Inc
5930-00-661-0693S1-25 INTERCHANGEABLE
Switch,sensitive
Safran Power Usa, Llc
5999-00-953-1716 INTERCHANGEABLE
Heater,thermal Release
4820-01-156-9859S-125 INTERCHANGEABLE
Valve,shuttle
Humphrey Products Co
3460-01-355-6193S-125 INTERCHANGEABLE
Sleeve,expansion Mandrel
Sunnen Products Co
4730-01-526-6956S-125 INTERCHANGEABLE
Elbow,hose
Uni Tek Mfg Co Inc
Cross-Reference Index
Part NumberManufacturer
S125 PRIMARY Egs Electrical Group Appleton Div (USA)
Related Parts
5330-00-345-2265INTERCHANGEABLE
RETAINER,PACKING
S12-5
5930-00-412-1056INTERCHANGEABLE
SWITCH,KNIFE
5998-00-460-0448INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6723-00386
5930-00-486-7052INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
5305-00-576-6987INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
60X3210
5930-00-661-0693INTERCHANGEABLE
SWITCH,SENSITIVE
S1-25
5999-00-953-1716INTERCHANGEABLE
HEATER,THERMAL RELEASE
4820-01-156-9859INTERCHANGEABLE
VALVE,SHUTTLE
S-125
3460-01-355-6193INTERCHANGEABLE
SLEEVE,EXPANSION MANDREL
S-125
4730-01-526-6956INTERCHANGEABLE
ELBOW,HOSE
S-125

Frequently Asked Questions

What is NSN 5340-00-329-4419?

NSN 5340-00-329-4419 is a Button,plug, manufactured by Egs Electrical Group Appleton Div, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-329-4419?

NSN 5340-00-329-4419 has 1 cross-referenced part number: S125 (Egs Electrical Group Appleton Div).

What NSN replaces 5340-00-329-4419?

There are 10 known substitutes for 5340-00-329-4419: 5330-00-345-2265, 5930-00-412-1056, 5998-00-460-0448 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S125?

Key specifications for S125: Style Designator: DOMED CENTER; Overall Height: 0.390 INCHES NOMINAL IN; Material Accommodated Thickness: 0.065 INCHES NOMINAL IN; Surface Treatment: ZINC. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-329-4419 still in active supply?

NSN 5340-00-329-4419 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.
PartsTable Design LLC · partstable.com