PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-426-2Contact,electrical

Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc · NSN 5999-00-035-7873 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-035-7873 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-035-7873. Primary manufacturer part number: 21-426-2.
Features
  • Contact,electrical — FSC 5999
  • Material: COPPER ALLOY CONTACT
  • Mounting Facility Quantity: 1
  • Precious Material and Location: EXTERNAL SURFACE SILVER
  • Surface Treatment: SILVER BODY
  • Precious Material: SILVER
  • Style Designator: PIN CONTACT
  • Current Rating in Amps: 71.0
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-035-7873, 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 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. Government technical data includes 29 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-035-7873
Primary Part Number21-426-2
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerDrs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
StatusACTIVE
MaterialCOPPER ALLOY CONTACT
Mounting Facility Quantity1
Precious Material and LocationEXTERNAL SURFACE SILVER
Surface TreatmentSILVER BODY
Precious MaterialSILVER
Style DesignatorPIN CONTACT
Current Rating in Amps71.0
Mounting MethodUNTHREADED HOLE(S)
Terminal Type and Quantity1 WIRE LEAD W/LUG AXIALLY AT ONE END
MaterialCOPPER ALLOY BODY
Voltage Rating in Volts440.0 AC
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL IN
Pin Diameter0.025 INCHES NOMINAL IN
Overall Diameter0.094 INCHES NOMINAL IN
Cable Entrance Diameter0.025 INCHES NOMINAL IN
Surface TreatmentSILVER CONTACT
Precious Material and Weight0.100 SILVER GRAINS, TROY
MaterialCOPPER ALLOY CONTACT
Mounting Facility Quantity1
Precious Material and LocationEXTERNAL SURFACE SILVER
Surface TreatmentSILVER BODY
Precious MaterialSILVER
Style DesignatorPIN CONTACT
Current Rating in Amps71.0
Mounting MethodUNTHREADED HOLE(S)
Terminal Type and Quantity1 WIRE LEAD W/LUG AXIALLY AT ONE END
MaterialCOPPER ALLOY BODY
Voltage Rating in Volts440.0 AC
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 1
4730-00-908-6292 INTERCHANGEABLE
Clamp,hose
Cross-Reference Index
Part NumberManufacturer
21-426-2 PRIMARY Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
Related Parts
4730-00-908-6292INTERCHANGEABLE
CLAMP,HOSE

Frequently Asked Questions

What is NSN 5999-00-035-7873?

NSN 5999-00-035-7873 is a Contact,electrical, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-035-7873?

NSN 5999-00-035-7873 has 1 cross-referenced part number: 21-426-2 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).

What NSN replaces 5999-00-035-7873?

There is 1 known substitute for 5999-00-035-7873: 4730-00-908-6292. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-426-2?

Key specifications for 21-426-2: Material: COPPER ALLOY CONTACT; Mounting Facility Quantity: 1; Precious Material and Location: EXTERNAL SURFACE SILVER; Surface Treatment: SILVER BODY. 30 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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