PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6443-3Contact,electrical

General Microwave Corporation Div Kratos Microwave Electronics · NSN 5999-01-054-0539 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-054-0539 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-054-0539. Primary manufacturer part number: 6443-3.
Features
  • Contact,electrical — FSC 5999
  • Overall Diameter: 0.092 INCHES NOMINAL IN
  • Precious Material and Location: BODY AND CONTACT SURFACES GOLD AND BODY AND CONTACT SURFACES RHODIUM
  • Mounting Method: FORCE FIT
  • Precious Material and Weight: 0.005 SILVER GRAINS, TROY AND 0.005 RHODIUM GRAINS, TROY
  • Style Designator: SOCKET CONTACT
  • Material: TELLURIUM AND COPPER BODY AND CONTACT
  • Terminal Type and Quantity: 1 SOLDER WELL AXIALLY AT ONE END
Applications
  • Applications requiring Tellurium and Copper Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-054-0539, 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 General Microwave Corporation Div Kratos Microwave Electronics. Government technical data includes 18 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-054-0539
Primary Part Number6443-3
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerGeneral Microwave Corporation Div Kratos Microwave Electronics
StatusACTIVE
Overall Diameter0.092 INCHES NOMINAL IN
Precious Material and LocationBODY AND CONTACT SURFACES GOLD AND BODY AND CONTACT SURFACES RHODIUM
Mounting MethodFORCE FIT
Precious Material and Weight0.005 SILVER GRAINS, TROY AND 0.005 RHODIUM GRAINS, TROY
Style DesignatorSOCKET CONTACT
MaterialTELLURIUM AND COPPER BODY AND CONTACT
Terminal Type and Quantity1 SOLDER WELL AXIALLY AT ONE END
Precious MaterialSILVER AND RHODIUM
Surface TreatmentSILVER AND RHODIUM BODY AND CONTACT
Overall Diameter0.092 INCHES NOMINAL IN
Precious Material and LocationBODY AND CONTACT SURFACES GOLD AND BODY AND CONTACT SURFACES RHODIUM
Mounting MethodFORCE FIT
Precious Material and Weight0.005 SILVER GRAINS, TROY AND 0.005 RHODIUM GRAINS, TROY
Style DesignatorSOCKET CONTACT
MaterialTELLURIUM AND COPPER BODY AND CONTACT
Terminal Type and Quantity1 SOLDER WELL AXIALLY AT ONE END
Precious MaterialSILVER AND RHODIUM
Surface TreatmentSILVER AND RHODIUM BODY AND CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Weight0.0300 lbs
Cube0.0030 cu ft
Verified Substitutes 3
5977-00-789-84084995383 INTERCHANGEABLE
Holder,electrical Contact Brush
Kalmar AC Inc
3010-01-296-999964433 INTERCHANGEABLE
Disk,clutch,nonvehicular
Itw Food Equipment Group Llc Dba Hobart Service
2530-01-369-492564433-000 INTERCHANGEABLE
Parts Kit,horn Button Switch
Eaton Corporation Div Eaton Fluid Power
Cross-Reference Index
Part NumberManufacturer
6443-3 PRIMARY General Microwave Corporation Div Kratos Microwave Electronics (USA)
Related Parts
5977-00-789-8408INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
4995383
3010-01-296-9999INTERCHANGEABLE
DISK,CLUTCH,NONVEHICULAR
64433
2530-01-369-4925INTERCHANGEABLE
PARTS KIT,HORN BUTTON SWITCH
64433-000

Frequently Asked Questions

What is NSN 5999-01-054-0539?

NSN 5999-01-054-0539 is a Contact,electrical, manufactured by General Microwave Corporation Div Kratos Microwave Electronics, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-054-0539?

NSN 5999-01-054-0539 has 1 cross-referenced part number: 6443-3 (General Microwave Corporation Div Kratos Microwave Electronics).

What NSN replaces 5999-01-054-0539?

There are 3 known substitutes for 5999-01-054-0539: 5977-00-789-8408, 3010-01-296-9999, 2530-01-369-4925. Verify interchangeability with system specifications before substitution.

What are the specifications of 6443-3?

Key specifications for 6443-3: Overall Diameter: 0.092 INCHES NOMINAL IN; Precious Material and Location: BODY AND CONTACT SURFACES GOLD AND BODY AND CONTACT SURFACES RHODIUM; Mounting Method: FORCE FIT; Precious Material and Weight: 0.005 SILVER GRAINS, TROY AND 0.005 RHODIUM GRAINS, TROY. 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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