PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40-183-2Contact,electrical

Eaton Corp Opns & Technical Center · NSN 5999-00-035-7881 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-035-7881 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-035-7881. Primary manufacturer part number: 40-183-2.
Features
  • Contact,electrical — FSC 5999
  • Point Diameter: 0.125 INCHES NOMINAL IN
  • Material: COPPER ALLOY BODY
  • Precious Material and Weight: 0.100 SILVER GRAINS, TROY
  • Precious Material and Location: EXTERNAL SURFACE SILVER
  • Precious Material: SILVER
  • Unthreaded Mounting Hole Diameter: 0.152 INCHES NOMINAL IN
  • Mounting Facility Quantity: 1
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-035-7881, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Eaton Corp Opns & Technical Center. Government technical data includes 26 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-035-7881
Primary Part Number40-183-2
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerEaton Corp Opns & Technical Center
StatusACTIVE
Point Diameter0.125 INCHES NOMINAL IN
MaterialCOPPER ALLOY BODY
Precious Material and Weight0.100 SILVER GRAINS, TROY
Precious Material and LocationEXTERNAL SURFACE SILVER
Precious MaterialSILVER
Unthreaded Mounting Hole Diameter0.152 INCHES NOMINAL IN
Mounting Facility Quantity1
Voltage Rating in Volts440.0 AC
Mounting MethodUNTHREADED HOLE(S)
Current Rating in Amps70.0
Surface TreatmentSILVER BODY
MaterialCOPPER ALLOY CONTACT
Style DesignatorLEAF TAP CONTACT W/ ROUND FIXED POINT
Point Diameter0.125 INCHES NOMINAL IN
MaterialCOPPER ALLOY BODY
Precious Material and Weight0.100 SILVER GRAINS, TROY
Precious Material and LocationEXTERNAL SURFACE SILVER
Precious MaterialSILVER
Unthreaded Mounting Hole Diameter0.152 INCHES NOMINAL IN
Mounting Facility Quantity1
Voltage Rating in Volts440.0 AC
Mounting MethodUNTHREADED HOLE(S)
Current Rating in Amps70.0
Surface TreatmentSILVER BODY
MaterialCOPPER ALLOY CONTACT
Style DesignatorLEAF TAP CONTACT W/ ROUND FIXED POINT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 2
5307-00-801-4777 INTERCHANGEABLE
Stud,plain
4730-01-268-2416401832-1 INTERCHANGEABLE
Elbow,flange to Boss
Eaton Industries S. De R.l. De C.v.
Cross-Reference Index
Part NumberManufacturer
40-183-2 PRIMARY Eaton Corp Opns & Technical Center (USA)
Related Parts
5307-00-801-4777INTERCHANGEABLE
STUD,PLAIN
4730-01-268-2416INTERCHANGEABLE
ELBOW,FLANGE TO BOSS
401832-1

Frequently Asked Questions

What is NSN 5999-00-035-7881?

NSN 5999-00-035-7881 is a Contact,electrical, manufactured by Eaton Corp Opns & Technical Center, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-035-7881?

NSN 5999-00-035-7881 has 1 cross-referenced part number: 40-183-2 (Eaton Corp Opns & Technical Center).

What NSN replaces 5999-00-035-7881?

There are 2 known substitutes for 5999-00-035-7881: 5307-00-801-4777, 4730-01-268-2416. Verify interchangeability with system specifications before substitution.

What are the specifications of 40-183-2?

Key specifications for 40-183-2: Point Diameter: 0.125 INCHES NOMINAL IN; Material: COPPER ALLOY BODY; Precious Material and Weight: 0.100 SILVER GRAINS, TROY; Precious Material and Location: EXTERNAL SURFACE SILVER. 28 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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