PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9566Contact,electrical

Te Connectivity Corporation · NSN 5999-00-552-6800 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-552-6800 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-552-6800. Primary manufacturer part number: 9566.
Features
  • Contact,electrical — FSC 5999
  • Precious Material and Weight: 0.005 SILVER GRAINS, TROY
  • Precious Material and Location: CONTACT AND BODY SURFACES SILVER
  • Surface Treatment: SILVER CONTACT
  • Surface Treatment: SILVER BODY
  • Overall Diameter: 0.125 INCHES NOMINAL IN
  • Precious Material: SILVER
  • Current Rating in Amps: 5.0
Applications
  • Applications requiring Copper Alloy Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-552-6800, 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 Te Connectivity Corporation. Government technical data includes 22 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-552-6800
Primary Part Number9566
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Precious Material and Weight0.005 SILVER GRAINS, TROY
Precious Material and LocationCONTACT AND BODY SURFACES SILVER
Surface TreatmentSILVER CONTACT
Surface TreatmentSILVER BODY
Overall Diameter0.125 INCHES NOMINAL IN
Precious MaterialSILVER
Current Rating in Amps5.0
Voltage Rating in Volts240.0 AC
MaterialCOPPER ALLOY BODY AND CONTACT
Mounting MethodFORCE FIT
Style DesignatorCYLINDRICAL SHAPE
Precious Material and Weight0.005 SILVER GRAINS, TROY
Precious Material and LocationCONTACT AND BODY SURFACES SILVER
Surface TreatmentSILVER CONTACT
Surface TreatmentSILVER BODY
Overall Diameter0.125 INCHES NOMINAL IN
Precious MaterialSILVER
Current Rating in Amps5.0
Voltage Rating in Volts240.0 AC
MaterialCOPPER ALLOY BODY AND CONTACT
Mounting MethodFORCE FIT
Style DesignatorCYLINDRICAL SHAPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 12
5120-00-034-76335120-00-034-7633 INTERCHANGEABLE
Spacer,mechanical Puller
General Services Administration Federal Supply Service
4520-00-133-4026 INTERCHANGEABLE
Quadrant,damper Control
5910-00-170-9557 INTERCHANGEABLE
Capacitor,variable,air Dielectri
5975-00-240-38598566 INTERCHANGEABLE
Rod,ground
Chance Ab
5970-00-284-96609566 INTERCHANGEABLE
Insulator,standoff
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
2910-00-336-33622C7020 INTERCHANGEABLE
Pump,fuel,cam Actuated
Napco International Llc Dba Napco International Inc
2825-00-388-68178052 INTERCHANGEABLE
Spindle,extension,gas Turbine
Northrop Grumman Systems Corporation Div Marine Systems
6625-00-470-83568052 INTERCHANGEABLE
Meter,noise Level
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5970-00-547-09668052-00 INTERCHANGEABLE
Tape,insulation,electrical
Plymouth Rubber Co Inc
5330-00-675-517413726M1 INTERCHANGEABLE
Seal Oil
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
8052 Te Connectivity Corporation (USA)
9566 PRIMARY Te Connectivity Corporation (USA)
Related Parts
5120-00-034-7633INTERCHANGEABLE
SPACER,MECHANICAL PULLER
5120-00-034-7633
4520-00-133-4026INTERCHANGEABLE
QUADRANT,DAMPER CONTROL
5910-00-170-9557INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
5975-00-240-3859INTERCHANGEABLE
ROD,GROUND
8566
5970-00-284-9660INTERCHANGEABLE
INSULATOR,STANDOFF
9566
2910-00-336-3362INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
2C7020
2825-00-388-6817INTERCHANGEABLE
SPINDLE,EXTENSION,GAS TURBINE
8052
6625-00-470-8356INTERCHANGEABLE
METER,NOISE LEVEL
8052
5970-00-547-0966INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
8052-00
5330-00-675-5174INTERCHANGEABLE
SEAL OIL
13726M1
2520-00-736-5300INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
29MU111
4820-00-782-5443INTERCHANGEABLE
VALVE,SAFETY RELIEF

Frequently Asked Questions

What is NSN 5999-00-552-6800?

NSN 5999-00-552-6800 is a Contact,electrical, manufactured by Te Connectivity Corporation, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-552-6800?

NSN 5999-00-552-6800 has 2 cross-referenced part numbers: 8052 (Te Connectivity Corporation), 9566 (Te Connectivity Corporation).

What NSN replaces 5999-00-552-6800?

There are 12 known substitutes for 5999-00-552-6800: 5120-00-034-7633, 4520-00-133-4026, 5910-00-170-9557 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9566?

Key specifications for 9566: Precious Material and Weight: 0.005 SILVER GRAINS, TROY; Precious Material and Location: CONTACT AND BODY SURFACES SILVER; Surface Treatment: SILVER CONTACT; Surface Treatment: SILVER BODY. 24 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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