PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

539603-2Contact,electrical

Raytheon Company Dba Raytheon · NSN 5999-00-203-5573 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-203-5573 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-203-5573. Primary manufacturer part number: 539603-2.
Features
  • Contact,electrical — FSC 5999
  • Precious Material: GOLD
  • Material: NICKEL AND COPPER ALLOY BODY AND CONTACT
  • Mounting Method: FORCE FIT
  • Precious Material and Weight: 0.005 GOLD GRAINS, TROY
  • Surface Treatment: GOLD CONTACT
  • Surface Treatment: GOLD BODY
  • Precious Material and Location: BODY AND CONTACT SURFACES GOLD
Applications
  • Applications requiring Nickel and Copper Alloy Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-203-5573, 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 Raytheon Company Dba Raytheon. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-203-5573
Primary Part Number539603-2
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Precious MaterialGOLD
MaterialNICKEL AND COPPER ALLOY BODY AND CONTACT
Mounting MethodFORCE FIT
Precious Material and Weight0.005 GOLD GRAINS, TROY
Surface TreatmentGOLD CONTACT
Surface TreatmentGOLD BODY
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Overall Diameter0.125 INCHES NOMINAL IN
Style DesignatorROUND FLATTED FIXED POINT CONTACT
Precious MaterialGOLD
MaterialNICKEL AND COPPER ALLOY BODY AND CONTACT
Mounting MethodFORCE FIT
Precious Material and Weight0.005 GOLD GRAINS, TROY
Surface TreatmentGOLD CONTACT
Surface TreatmentGOLD BODY
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Overall Diameter0.125 INCHES NOMINAL IN
Style DesignatorROUND FLATTED FIXED POINT CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 12
5120-00-030-7933 INTERCHANGEABLE
Step Plate,mechanical Puller
5305-00-206-0543 INTERCHANGEABLE
Screw,machine
5905-00-502-0799 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
6135-00-635-8401 INTERCHANGEABLE
Bias Cell
3010-00-725-8019 INTERCHANGEABLE
Universal Joint,nonvehicular
4730-00-892-6270 INTERCHANGEABLE
Coupling Half,quick Disconnect
5930-00-908-7330BC3 INTERCHANGEABLE
Switch,thermostatic
Therm-O-Disc Incorporated
5110-01-068-5253 INTERCHANGEABLE
Cutter,cable,hand Operated
3411-01-074-6634BC-3 INTERCHANGEABLE
Chuck,bearing
Bearing Inspection, Inc. Dba Bearing Inspection Inc
6130-01-141-1313 INTERCHANGEABLE
Charger,battery
Cross-Reference Index
Part NumberManufacturer
0102-2000-0023 Tech Etch Inc (USA)
806-6 Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA)
02-0324-0806-22 Metal Textiles Corporation Dba Metal Textiles Div Electronic Shielding Group (USA)
806-6 Metal Textiles Corporation Dba Metal Textiles Div Electronic Shielding Group (USA)
539603-2 PRIMARY Raytheon Company Dba Raytheon (USA)
BC-3 Solitron Devices, Inc. (USA)
Related Parts
5120-00-030-7933INTERCHANGEABLE
STEP PLATE,MECHANICAL PULLER
5305-00-206-0543INTERCHANGEABLE
SCREW,MACHINE
5905-00-502-0799INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
6135-00-635-8401INTERCHANGEABLE
BIAS CELL
3010-00-725-8019INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
4730-00-892-6270INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5930-00-908-7330INTERCHANGEABLE
SWITCH,THERMOSTATIC
BC3
5110-01-068-5253INTERCHANGEABLE
CUTTER,CABLE,HAND OPERATED
3411-01-074-6634INTERCHANGEABLE
CHUCK,BEARING
BC-3
6130-01-141-1313INTERCHANGEABLE
CHARGER,BATTERY
5905-01-153-7443INTERCHANGEABLE
RESISTOR,FIXED,FILM
2520-01-168-1678INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
BC-3

Frequently Asked Questions

What is NSN 5999-00-203-5573?

NSN 5999-00-203-5573 is a Contact,electrical, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-203-5573?

NSN 5999-00-203-5573 has 6 cross-referenced part numbers: 0102-2000-0023 (Tech Etch Inc), 806-6 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division), 02-0324-0806-22 (Metal Textiles Corporation Dba Metal Textiles Div Electronic Shielding Group), 806-6 (Metal Textiles Corporation Dba Metal Textiles Div Electronic Shielding Group), 539603-2 (Raytheon Company Dba Raytheon) and 1 more.

What NSN replaces 5999-00-203-5573?

There are 12 known substitutes for 5999-00-203-5573: 5120-00-030-7933, 5305-00-206-0543, 5905-00-502-0799 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 539603-2?

Key specifications for 539603-2: Precious Material: GOLD; Overall Length: 0.062 INCHES NOMINAL IN; Material: NICKEL AND COPPER ALLOY BODY AND CONTACT; Mounting Method: FORCE FIT. 20 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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