PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

390-3Contact,electrical

Monitor Controller Co · NSN 5999-00-035-8704 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-035-8704 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-035-8704. Primary manufacturer part number: 390-3.
Features
  • Contact,electrical — FSC 5999
  • Material: COPPER ALLOY CONTACT
  • Precious Material and Location: EXTERNAL SURFACE SILVER
  • Style Designator: PIN CENTER CONTACT
  • Surface Treatment: SILVER CONTACT
  • Mounting Facility Quantity: 2
  • Mounting Method: UNTHREADED HOLE(S)
  • Cable Entrance Diameter: 0.025 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-035-8704, 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 Monitor Controller Co. Government technical data includes 28 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-035-8704
Primary Part Number390-3
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerMonitor Controller Co
StatusACTIVE
MaterialCOPPER ALLOY CONTACT
Precious Material and LocationEXTERNAL SURFACE SILVER
Style DesignatorPIN CENTER CONTACT
Surface TreatmentSILVER CONTACT
Mounting Facility Quantity2
Mounting MethodUNTHREADED HOLE(S)
Cable Entrance Diameter0.025 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.375 INCHES NOMINAL IN
Surface TreatmentSILVER BODY
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Precious MaterialSILVER
Pin Diameter0.034 INCHES NOMINAL IN
MaterialCOPPER ALLOY BODY
Precious Material and Weight0.005 SILVER GRAINS, TROY
MaterialCOPPER ALLOY CONTACT
Precious Material and LocationEXTERNAL SURFACE SILVER
Style DesignatorPIN CENTER CONTACT
Surface TreatmentSILVER CONTACT
Mounting Facility Quantity2
Mounting MethodUNTHREADED HOLE(S)
Cable Entrance Diameter0.025 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.375 INCHES NOMINAL IN
Surface TreatmentSILVER BODY
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Precious MaterialSILVER
Pin Diameter0.034 INCHES NOMINAL IN
MaterialCOPPER ALLOY BODY
Precious Material and Weight0.005 SILVER GRAINS, TROY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 7
5340-00-075-62573903 INTERCHANGEABLE
Clamp,loop
Abb Installation Products Inc
5945-00-168-785321490 INTERCHANGEABLE
Solenoid,electrical
Eaton Aerospace Llc
8010-00-506-1981 INTERCHANGEABLE
Paint,screen Process
5310-00-860-03413903 INTERCHANGEABLE
Nut,plain,hexagon
Evans Tempcon Michigan, Llc
5331-01-011-4057 INTERCHANGEABLE
O-Ring
5330-01-198-33673903 INTERCHANGEABLE
Gasket
Coffin Turbo Pump Inc
6210-01-714-38043903 INTERCHANGEABLE
Lamp,light Emitting Diode
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
390-3 Monitor Controller Co (USA)
Related Parts
5340-00-075-6257INTERCHANGEABLE
CLAMP,LOOP
3903
5945-00-168-7853INTERCHANGEABLE
SOLENOID,ELECTRICAL
21490
8010-00-506-1981INTERCHANGEABLE
PAINT,SCREEN PROCESS
5310-00-860-0341INTERCHANGEABLE
NUT,PLAIN,HEXAGON
3903
5331-01-011-4057INTERCHANGEABLE
O-RING
5330-01-198-3367INTERCHANGEABLE
GASKET
3903
6210-01-714-3804INTERCHANGEABLE
LAMP,LIGHT EMITTING DIODE
3903

Frequently Asked Questions

What is NSN 5999-00-035-8704?

NSN 5999-00-035-8704 is a Contact,electrical, manufactured by Monitor Controller Co, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-035-8704?

NSN 5999-00-035-8704 has 1 cross-referenced part number: 390-3 (Monitor Controller Co).

What NSN replaces 5999-00-035-8704?

There are 7 known substitutes for 5999-00-035-8704: 5340-00-075-6257, 5945-00-168-7853, 8010-00-506-1981 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 390-3?

Key specifications for 390-3: Material: COPPER ALLOY CONTACT; Overall Length: 1.024 INCHES NOMINAL IN; Precious Material and Location: EXTERNAL SURFACE SILVER; Style Designator: PIN CENTER CONTACT. 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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