PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A50005-006-01Contact,electrical

Square D Co Columbia Mfg Plant · NSN 5999-00-361-6409 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-361-6409 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-361-6409. Primary manufacturer part number: A50005-006-01.
Features
  • Contact,electrical — FSC 5999
  • Unthreaded Mounting Hole Diameter: 0.250 INCHES NOMINAL IN
  • Precious Material: SILVER
  • Material: COPPER CONTACT
  • Material: COPPER BODY
  • Surface Treatment: SILVER CONTACT
  • Surface Treatment: SILVER BODY
  • Mounting Method: UNTHREADED HOLE(S)
Applications
  • Applications requiring Copper Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-361-6409, 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 Square D Co Columbia Mfg Plant. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-00-361-6409
Primary Part NumberA50005-006-01
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSquare D Co Columbia Mfg Plant
StatusACTIVE
Unthreaded Mounting Hole Diameter0.250 INCHES NOMINAL IN
Precious MaterialSILVER
MaterialCOPPER CONTACT
MaterialCOPPER BODY
Surface TreatmentSILVER CONTACT
Surface TreatmentSILVER BODY
Mounting MethodUNTHREADED HOLE(S)
Mounting Facility Quantity1
Unthreaded Mounting Hole Diameter0.250 INCHES NOMINAL IN
Precious MaterialSILVER
MaterialCOPPER CONTACT
MaterialCOPPER BODY
Surface TreatmentSILVER CONTACT
Surface TreatmentSILVER BODY
Mounting MethodUNTHREADED HOLE(S)
Mounting Facility Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-268-8999LT1031 INTERCHANGEABLE
Transformer Assembly
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
A50005-006-01 Square D Co Columbia Mfg Plant (USA)
LT1031 Square D Co Columbia Mfg Plant (USA)
Related Parts
5950-00-268-8999INTERCHANGEABLE
TRANSFORMER ASSEMBLY
LT1031

Frequently Asked Questions

What is NSN 5999-00-361-6409?

NSN 5999-00-361-6409 is a Contact,electrical, manufactured by Square D Co Columbia Mfg Plant, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-361-6409?

NSN 5999-00-361-6409 has 2 cross-referenced part numbers: A50005-006-01 (Square D Co Columbia Mfg Plant), LT1031 (Square D Co Columbia Mfg Plant).

What NSN replaces 5999-00-361-6409?

There is 1 known substitute for 5999-00-361-6409: 5950-00-268-8999. Verify interchangeability with system specifications before substitution.

What are the specifications of A50005-006-01?

Key specifications for A50005-006-01: Unthreaded Mounting Hole Diameter: 0.250 INCHES NOMINAL IN; Precious Material: SILVER; Material: COPPER CONTACT; Material: COPPER BODY. 16 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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