PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS3406D20-15SConnector,plug,electrical

Sae International Dba Sae International · NSN 5935-01-099-1661 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-099-1661 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-099-1661. Primary manufacturer part number: MS3406D20-15S.
Features
  • Connector,plug,electrical — FSC 5935
  • Overall Diameter: 1.469 INCHES MAXIMUM IN
  • Included Contact Type: ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
  • Insert Position in Deg: 0.0
  • Included Contact Quantity: 7 SINGLE MATING END SINGLE CONTACT GROUPING
  • Shell Type: SOLID
  • Insert Material: SILICON SINGLE MATING END
  • Connector Locking Method: INTERNALLY THREADED COUPLING RING
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,plug,electrical, cataloged under National Stock Number 5935-01-099-1661, is classified within Federal Supply Class 5935 (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 22 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-01-099-1661
Primary Part NumberMS3406D20-15S
Item NameConnector,plug,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Overall Diameter1.469 INCHES MAXIMUM IN
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Insert Position in Deg0.0
Included Contact Quantity7 SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Insert MaterialSILICON SINGLE MATING END
Connector Locking MethodINTERNALLY THREADED COUPLING RING
Contact Position Arrangement Style20-15 SINGLE MATING END
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Shell MaterialALUMINUM ALLOY
Thread Series DesignatorUNEF
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface TreatmentCADMIUM
Nominal Thread Size1.187 INCHES IN
Test Data Document81349-MIL-C-5015 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.).
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Mating End Quantity1
Thread Class2A A
Threaded Device TypeCOUPLING FACILITY
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5935-01-089-0664MS3456W20-15S INTERCHANGEABLE
Connector,plug,electrical
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS3406D20-15S Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-5015 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SAE-AS50151 Sae International Dba Sae International (USA)
MIL-C-5015 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS50151 Sae International Dba Sae International (USA)
MS3406D20-15S PRIMARY Sae International Dba Sae International (USA)
Related Parts
5935-01-089-0664INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
MS3456W20-15S

Frequently Asked Questions

What is NSN 5935-01-099-1661?

NSN 5935-01-099-1661 is a Connector,plug,electrical, manufactured by Sae International Dba Sae International, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-01-099-1661?

NSN 5935-01-099-1661 has 6 cross-referenced part numbers: MS3406D20-15S (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-5015 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SAE-AS50151 (Sae International Dba Sae International), MIL-C-5015 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS50151 (Sae International Dba Sae International) and 1 more.

What NSN replaces 5935-01-099-1661?

There is 1 known substitute for 5935-01-099-1661: 5935-01-089-0664. Verify interchangeability with system specifications before substitution.

What are the specifications of MS3406D20-15S?

Key specifications for MS3406D20-15S: Overall Diameter: 1.469 INCHES MAXIMUM IN; Included Contact Type: ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING; Insert Position in Deg: 0.0; Included Contact Quantity: 7 SINGLE MATING END SINGLE CONTACT GROUPING. 23 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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