PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M39029/31-448Contact,electrical

Sae International Dba Sae International · NSN 5999-01-122-1681 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-122-1681 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-122-1681. Primary manufacturer part number: M39029/31-448.
Features
  • Contact,electrical — FSC 5999
  • Precious Material and Location: BODY AND CONTACT SURFACES SILVER
  • Style Designator: PIN CONTACT
  • Mounting Method: TERMINAL
  • Overall Diameter: 0.100 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
  • Precious Material: SILVER
  • Terminal Type and Quantity: 1 CRIMP AXIALLY AT ONE END
  • Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT
Applications
  • Applications requiring Copper Alloy Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-122-1681, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 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
NSN5999-01-122-1681
Primary Part NumberM39029/31-448
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Precious Material and LocationBODY AND CONTACT SURFACES SILVER
Style DesignatorPIN CONTACT
Mounting MethodTERMINAL
Overall Diameter0.100 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
Precious MaterialSILVER
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT
Surface TreatmentSILVER BODY AND CONTACT
MaterialCOPPER ALLOY BODY AND CONTACT
Crimping Tool Identifying NumberM22520/7-01
Pin Diameter0.040 INCHES NOMINAL IN
Cable Entrance Diameter0.049 INCHES NOMINAL IN
Pin Length0.303 INCHES NOMINAL IN
Identification Code ColorGRAY/GREY THIRD COLOR
Identification Code ColorYELLOW FIRST COLOR
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.).
Specification/standard Data81349-MIL-C-39029/31 GOVERNMENT SPECIFICATION
Identification Code ColorYELLOW SECOND COLOR
Precious Material and Weight0.005 SILVER GRAINS, TROY
Precious Material and LocationBODY AND CONTACT SURFACES SILVER
Style DesignatorPIN CONTACT
Mounting MethodTERMINAL
Overall Diameter0.100 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
Precious MaterialSILVER
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-00-901-3237
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0200 lbs
Cube0.0013 cu ft
Verified Substitutes 12
Contact,electrical
5999-01-268-4581AS39029/31 SUCCESSOR
Contact,electrical
Sae International Dba Sae International
5999-01-273-5355M39029/31-226 SUCCESSOR
Contact,electrical
Sae International Dba Sae International
5999-00-901-3238M39029/31-229 INTERCHANGEABLE
Contact,electrical
Sae International Dba Sae International
5999-00-901-3239M39029/31-627 INTERCHANGEABLE
Contact,electrical
Sae International Dba Sae International
5999-00-905-1879M39029/31-235 INTERCHANGEABLE
Contact,electrical
Sae International Dba Sae International
5999-00-988-5414M39029/31-234 INTERCHANGEABLE
Contact,electrical
Sae International Dba Sae International
5999-01-118-3927M39029/31-227 INTERCHANGEABLE
Contact,electrical
Sae International Dba Sae International
5999-01-130-8571M39029/31-223 INTERCHANGEABLE
Contact,electrical
Sae International Dba Sae International
5999-01-130-9630M39029/31-228 INTERCHANGEABLE
Contact,electrical
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
SAE-AS39029/31 Sae International Dba Sae International (USA)
BIN-448 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
M39029/31-448 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS39029/31 Sae International Dba Sae International (USA)
M39029/31-448 Society of Automotive Engineers Inc (USA)
AS39029/31 Society of Automotive Engineers Inc (USA)
MIL-C-39029/31 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39029/31-448 PRIMARY Sae International Dba Sae International (USA)
Related Parts
SUCCESSOR 5999-00-901-3237 Contact,electrical
5999-01-268-4581SUCCESSOR
CONTACT,ELECTRICAL
AS39029/31
5999-01-273-5355SUCCESSOR
CONTACT,ELECTRICAL
M39029/31-226
5999-00-901-3238INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/31-229
5999-00-901-3239INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/31-627
5999-00-905-1879INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/31-235
5999-00-988-5414INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/31-234
5999-01-118-3927INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/31-227
5999-01-130-8571INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/31-223
5999-01-130-9630INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/31-228
5999-01-134-3598INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/31-240
5999-01-268-4580INTERCHANGEABLE
CONTACT,ELECTRICAL
M39029/31-231

Frequently Asked Questions

What is NSN 5999-01-122-1681?

NSN 5999-01-122-1681 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 5999-01-122-1681?

NSN 5999-01-122-1681 has 8 cross-referenced part numbers: SAE-AS39029/31 (Sae International Dba Sae International), BIN-448 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), M39029/31-448 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS39029/31 (Sae International Dba Sae International), M39029/31-448 (Society of Automotive Engineers Inc) and 3 more.

What NSN replaces 5999-01-122-1681?

There are 12 known substitutes for 5999-01-122-1681: 5999-00-901-3237, 5999-01-268-4581, 5999-01-273-5355 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M39029/31-448?

Key specifications for M39029/31-448: Precious Material and Location: BODY AND CONTACT SURFACES SILVER; Style Designator: PIN CONTACT; Mounting Method: TERMINAL; Overall Diameter: 0.100 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN. 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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