PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS18281-1Contact,electrical

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5999-01-170-2643 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-170-2643 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-170-2643. Primary manufacturer part number: MS18281-1.
Features
  • Contact,electrical — FSC 5999
  • Precious Material and Weight: 0.005 GOLD GRAINS, TROY
  • Precious Material: GOLD
  • Style Designator: PIN CONTACT
  • Precious Material and Location: BODY AND CONTACT SURFACES GOLD
  • Surface Treatment: GOLD BODY AND CONTACT
  • Specification/standard Data: 96906-MS18281-1 GOVERNMENT STANDARD
  • Terminal Type and Quantity: 1 SOLDER WELL END OPPOSITE CONTACT
Applications
  • Applications requiring Copper Alloy Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-170-2643, 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 Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5999-01-170-2643
Primary Part NumberMS18281-1
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Precious Material and Weight0.005 GOLD GRAINS, TROY
Precious MaterialGOLD
Style DesignatorPIN CONTACT
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Surface TreatmentGOLD BODY AND CONTACT
Specification/standard Data96906-MS18281-1 GOVERNMENT STANDARD
Terminal Type and Quantity1 SOLDER WELL END OPPOSITE CONTACT
Mounting MethodSOLDER
Test Data Document81349-MIL-C-24308 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.).
Overall Diameter0.085 INCHES MAXIMUM IN
MaterialCOPPER ALLOY BODY AND CONTACT
Precious Material and Weight0.005 GOLD GRAINS, TROY
Precious MaterialGOLD
Style DesignatorPIN CONTACT
Precious Material and LocationBODY AND CONTACT SURFACES GOLD
Surface TreatmentGOLD BODY AND CONTACT
Specification/standard Data96906-MS18281-1 GOVERNMENT STANDARD
Terminal Type and Quantity1 SOLDER WELL END OPPOSITE CONTACT
Mounting MethodSOLDER
Test Data Document81349-MIL-C-24308 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.).
Overall Diameter0.085 INCHES MAXIMUM IN
MaterialCOPPER ALLOY BODY AND CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeYN
Verified Substitutes 12
5999-00-239-3338M39029/63-368 INTERCHANGEABLE
Contact,electrical
Sae International Dba Sae International
5935-01-287-2299 INTERCHANGEABLE
Connector,receptacle,electrical
5999-01-302-3354 INTERCHANGEABLE
Contact,electrical
5935-01-335-3408 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-365-1243 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-413-4408 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-469-6963 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-473-2006 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-500-7781 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-500-7783 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
MS18281-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-24308 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-24308 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5999-00-239-3338INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/63-368
5935-01-287-2299INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5999-01-302-3354INTERCHANGEABLE
CONTACT,ELECTRICAL
5935-01-335-3408INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-365-1243INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-413-4408INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-469-6963INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-473-2006INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-500-7781INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-500-7783INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-501-3336INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-501-5738INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL

Frequently Asked Questions

What is NSN 5999-01-170-2643?

NSN 5999-01-170-2643 is a Contact,electrical, manufactured by Military Standards Promulgated by Military Departments 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 5999-01-170-2643?

NSN 5999-01-170-2643 has 3 cross-referenced part numbers: MS18281-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-24308 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-24308 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5999-01-170-2643?

There are 12 known substitutes for 5999-01-170-2643: 5999-00-239-3338, 5935-01-287-2299, 5999-01-302-3354 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS18281-1?

Key specifications for MS18281-1: Precious Material and Weight: 0.005 GOLD GRAINS, TROY; Precious Material: GOLD; Overall Length: 0.093 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Style Designator: PIN CONTACT. 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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