PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40-351Contact,electrical

Eaton Corp Opns & Technical Center · NSN 5999-00-400-6034 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-400-6034 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-400-6034. Primary manufacturer part number: 40-351.
Features
  • Contact,electrical — FSC 5999
  • Terminal Type and Quantity: 1 WIRE WRAP AXIALLY AT ONE END
  • Current Rating in Amps: 25.0
  • Voltage Rating in Volts: 440.0 AC
  • Terminal Type and Quantity: 1 WIRE WRAP AXIALLY AT ONE END
  • Current Rating in Amps: 25.0
  • Voltage Rating in Volts: 440.0 AC
  • 3 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-400-6034, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-400-6034
Primary Part Number40-351
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerEaton Corp Opns & Technical Center
StatusACTIVE
Terminal Type and Quantity1 WIRE WRAP AXIALLY AT ONE END
Current Rating in Amps25.0
Voltage Rating in Volts440.0 AC
Terminal Type and Quantity1 WIRE WRAP AXIALLY AT ONE END
Current Rating in Amps25.0
Voltage Rating in Volts440.0 AC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 9
5995-00-170-7992B40351 INTERCHANGEABLE
Lead,electrical
Telephone Company of America Incorporated
5310-00-209-176110876014 INTERCHANGEABLE
Washer,flat
Fwd Seagrave Holdings Lp
5330-00-484-170043071S INTERCHANGEABLE
Seal
Federal-Mogul Corp Government Sales Dept
5340-00-800-1867 INTERCHANGEABLE
Bracket,lamp Holder
6350-00-974-4091416350-1 INTERCHANGEABLE
Retainer,lamp
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
3110-01-209-8109RA012RR AND COLLAR INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5340-01-627-877240351 INTERCHANGEABLE
Plate,mounting
Hutchinson Industries, Inc Div Defense and Industry
5305-01-627-877880097 INTERCHANGEABLE
Screw,cap,socket Head
Hutchinson Industries, Inc Div Defense and Industry
5977-01-640-7130 INTERCHANGEABLE
Electrode
Cross-Reference Index
Part NumberManufacturer
959-1-1M1ALT6ITEM4B Eaton Corp Opns & Technical Center (USA)
40-351 PRIMARY Eaton Corp Opns & Technical Center (USA)
959-2-3M1ITEM4B Eaton Corp Opns & Technical Center (USA)
Related Parts
5995-00-170-7992INTERCHANGEABLE
LEAD,ELECTRICAL
B40351
5310-00-209-1761INTERCHANGEABLE
WASHER,FLAT
10876014
5330-00-484-1700INTERCHANGEABLE
SEAL
43071S
5340-00-800-1867INTERCHANGEABLE
BRACKET,LAMP HOLDER
6350-00-974-4091INTERCHANGEABLE
RETAINER,LAMP
416350-1
3110-01-209-8109INTERCHANGEABLE
BEARING,BALL,ANNULAR
RA012RR AND COLLAR
5340-01-627-8772INTERCHANGEABLE
PLATE,MOUNTING
40351
5305-01-627-8778INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
80097
5977-01-640-7130INTERCHANGEABLE
ELECTRODE

Frequently Asked Questions

What is NSN 5999-00-400-6034?

NSN 5999-00-400-6034 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 5999-00-400-6034?

NSN 5999-00-400-6034 has 3 cross-referenced part numbers: 959-1-1M1ALT6ITEM4B (Eaton Corp Opns & Technical Center), 40-351 (Eaton Corp Opns & Technical Center), 959-2-3M1ITEM4B (Eaton Corp Opns & Technical Center).

What NSN replaces 5999-00-400-6034?

There are 9 known substitutes for 5999-00-400-6034: 5995-00-170-7992, 5310-00-209-1761, 5330-00-484-1700 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40-351?

Key specifications for 40-351: Terminal Type and Quantity: 1 WIRE WRAP AXIALLY AT ONE END; Current Rating in Amps: 25.0; Voltage Rating in Volts: 440.0 AC; Terminal Type and Quantity: 1 WIRE WRAP AXIALLY AT ONE END. 6 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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