PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILC21097-16Contact,electrical

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5999-00-458-9662 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-458-9662 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-458-9662. Primary manufacturer part number: MILC21097-16.
Features
  • Contact,electrical — FSC 5999
  • Surface Treatment: GOLD CONTACT
  • Test Data Document: 81349-MIL-C-21098-16 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Pin Width: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
  • Precious Material: GOLD
  • Current Rating in Amps: 5.0
  • Precious Material and Weight: 0.005 GOLD GRAINS, TROY
  • Precious Material and Location: EXTERNAL SURFACE GOLD
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-458-9662, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-458-9662
Primary Part NumberMILC21097-16
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Surface TreatmentGOLD CONTACT
Test Data Document81349-MIL-C-21098-16 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Pin Width0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
Precious MaterialGOLD
Current Rating in Amps5.0
Precious Material and Weight0.005 GOLD GRAINS, TROY
Precious Material and LocationEXTERNAL SURFACE GOLD
MaterialCOPPER ALLOY CONTACT
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Style DesignatorPRINTED CIRCUIT CONTACT
Surface Treatment Document and ClassificationMIL-G-45204,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE CONTACT
MaterialCOPPER ALLOY BODY
Surface TreatmentGOLD CONTACT
Test Data Document81349-MIL-C-21098-16 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Pin Width0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
Precious MaterialGOLD
Current Rating in Amps5.0
Precious Material and Weight0.005 GOLD GRAINS, TROY
Precious Material and LocationEXTERNAL SURFACE GOLD
MaterialCOPPER ALLOY CONTACT
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Style DesignatorPRINTED CIRCUIT CONTACT
Surface Treatment Document and ClassificationMIL-G-45204,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE CONTACT
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0150 lbs
Cube0.0000 cu ft
Verified Substitutes 4
5999-00-361-8540 INTERCHANGEABLE
Contact,electrical
5999-00-486-5991 INTERCHANGEABLE
Contact,electrical
5999-01-239-5274 INTERCHANGEABLE
Contact,electrical
6140-01-691-4178660273 INTERCHANGEABLE
Battery,storage
Ascom (us) Inc.
Cross-Reference Index
Part NumberManufacturer
MILC21097-16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M21097/16-02 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-21097/16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
66027-3 Te Connectivity Corporation (USA)
M21097/16-02 Te Connectivity Corporation (USA)
Related Parts
5999-00-361-8540INTERCHANGEABLE
CONTACT,ELECTRICAL
5999-00-486-5991INTERCHANGEABLE
CONTACT,ELECTRICAL
5999-01-239-5274INTERCHANGEABLE
CONTACT,ELECTRICAL
6140-01-691-4178INTERCHANGEABLE
BATTERY,STORAGE
660273

Frequently Asked Questions

What is NSN 5999-00-458-9662?

NSN 5999-00-458-9662 is a Contact,electrical, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-458-9662?

NSN 5999-00-458-9662 has 5 cross-referenced part numbers: MILC21097-16 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M21097/16-02 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-21097/16 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 66027-3 (Te Connectivity Corporation), M21097/16-02 (Te Connectivity Corporation).

What NSN replaces 5999-00-458-9662?

There are 4 known substitutes for 5999-00-458-9662: 5999-00-361-8540, 5999-00-486-5991, 5999-01-239-5274 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILC21097-16?

Key specifications for MILC21097-16: Surface Treatment: GOLD CONTACT; Overall Length: 0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN; Test Data Document: 81349-MIL-C-21098-16 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Pin Width: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN. 26 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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