PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M39029/80-439Contact,electrical

Sae International Dba Sae International · NSN 5999-01-178-8948 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-178-8948 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-178-8948. Primary manufacturer part number: M39029/80-439.
Features
  • Contact,electrical — FSC 5999
  • Pin Accommodation Diameter: 0.073 INCHES NOMINAL IN
  • Mounting Method: FORCE FIT
  • Pin Length: 0.206 INCHES NOMINAL IN
  • Precious Material and Location: CONTACT SURFACE GOLD
  • Precious Material and Weight: 0.005 GOLD GRAINS, TROY
  • Style Designator: PIN CENTER CONTACT
  • Pin Diameter: 0.020 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-178-8948, 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 Sae International Dba Sae International. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-178-8948
Primary Part NumberM39029/80-439
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Pin Accommodation Diameter0.073 INCHES NOMINAL IN
Mounting MethodFORCE FIT
Pin Length0.206 INCHES NOMINAL IN
Precious Material and LocationCONTACT SURFACE GOLD
Precious Material and Weight0.005 GOLD GRAINS, TROY
Style DesignatorPIN CENTER CONTACT
Pin Diameter0.020 INCHES NOMINAL IN
Material Document and ClassificationMIL-C-39029 MIL SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Cable Entrance Diameter0.070 INCHES NOMINAL IN
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Test Data Document81349-MIL-C-39029 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 Accommodation Length0.273 INCHES NOMINAL IN
Specification/standard Data81349-MIL-C-39029/80 GOVERNMENT SPECIFICATION
MaterialCOPPER ALLOY BODY AND CONTACT
Overall Diameter0.123 INCHES NOMINAL IN
Surface TreatmentGOLD CONTACT
Surface Treatment Document and ClassificationMIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE CONTACT
Precious MaterialGOLD
Pin Accommodation Diameter0.073 INCHES NOMINAL IN
Mounting MethodFORCE FIT
Pin Length0.206 INCHES NOMINAL IN
Precious Material and LocationCONTACT SURFACE GOLD
Precious Material and Weight0.005 GOLD GRAINS, TROY
Style DesignatorPIN CENTER CONTACT
Pin Diameter0.020 INCHES NOMINAL IN
Material Document and ClassificationMIL-C-39029 MIL SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Cable Entrance Diameter0.070 INCHES NOMINAL IN
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-01-206-7018 (M39029/85-455)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeZN
Weight0.0020 lbs
Cube0.0000 cu ft
Verified Substitutes 8
5999-01-072-2961M39029/75-417 SUCCESSOR
Contact,electrical
Sae International Dba Sae International
5999-01-206-7018M39029/85-455 SUCCESSOR
Contact,electrical
Sae International Dba Sae International
5999-01-206-7019M39029/85-456 SUCCESSOR
Contact,electrical
Sae International Dba Sae International
5999-00-078-6804M39029/32-259 INTERCHANGEABLE
Contact,electrical
Sae International Dba Sae International
5999-01-085-8104M39029/1-103 INTERCHANGEABLE
Contact,electrical
Sae International Dba Sae International
5999-01-172-4573M39029/80-438 INTERCHANGEABLE
Contact,electrical
Sae International Dba Sae International
5999-01-407-0345M39029/9-517 INTERCHANGEABLE
Contact,electrical
Sae International Dba Sae International
5999-01-547-26434345313 INTERCHANGEABLE
Contact,electrical
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
SAE-AS39029/80 Sae International Dba Sae International (USA)
10129122 Nimikkeistokeskus Ncb Finland (FIN)
MIL-C-39029/80 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39029/80-439 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39029/80-439 PRIMARY Sae International Dba Sae International (USA)
SAE AS39029 Sae International Dba Sae International (USA)
Related Parts
SUCCESSOR 5999-01-206-7018 Contact,electrical · M39029/85-455
5999-01-072-2961SUCCESSOR
CONTACT,ELECTRICAL
M39029/75-417
5999-01-206-7019SUCCESSOR
CONTACT,ELECTRICAL
M39029/85-456
5999-00-078-6804INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/32-259
5999-01-085-8104INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/1-103
5999-01-172-4573INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/80-438
5999-01-407-0345INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/9-517
5999-01-547-2643INTERCHANGEABLE
CONTACT,ELECTRICAL
4345313

Frequently Asked Questions

What is NSN 5999-01-178-8948?

NSN 5999-01-178-8948 is a Contact,electrical, manufactured by Sae International Dba Sae International, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-178-8948?

NSN 5999-01-178-8948 has 6 cross-referenced part numbers: SAE-AS39029/80 (Sae International Dba Sae International), 10129122 (Nimikkeistokeskus Ncb Finland), MIL-C-39029/80 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39029/80-439 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39029/80-439 (Sae International Dba Sae International) and 1 more.

What NSN replaces 5999-01-178-8948?

There are 8 known substitutes for 5999-01-178-8948: 5999-01-072-2961, 5999-01-206-7018, 5999-01-206-7019 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M39029/80-439?

Key specifications for M39029/80-439: Pin Accommodation Diameter: 0.073 INCHES NOMINAL IN; Mounting Method: FORCE FIT; Pin Length: 0.206 INCHES NOMINAL IN; Precious Material and Location: CONTACT SURFACE GOLD. 30 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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