PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS3456L20-29SConnector,plug,electrical

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5935-01-065-7449 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-065-7449 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-065-7449. Primary manufacturer part number: MS3456L20-29S.
Features
  • Connector,plug,electrical — FSC 5935
  • Body Style: STRAIGHT SHAPE, INTERNAL COUPLING
  • Contact Material: COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
  • Connector Locking Method: INTERNALLY THREADED COUPLING RING
  • Specification/standard Data: 96906-MS3456 GOVERNMENT STANDARD
  • Nominal Thread Size: 1.188 INCHES AND 1.250 INCHES IN
  • Shell Surface Treatment: NICKEL
  • Contact Position Arrangement Style: 20-29 SINGLE MATING END
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,plug,electrical, cataloged under National Stock Number 5935-01-065-7449, 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 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5935-01-065-7449
Primary Part NumberMS3456L20-29S
Item NameConnector,plug,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Body StyleSTRAIGHT SHAPE, INTERNAL COUPLING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodINTERNALLY THREADED COUPLING RING
Specification/standard Data96906-MS3456 GOVERNMENT STANDARD
Nominal Thread Size1.188 INCHES AND 1.250 INCHES IN
Shell Surface TreatmentNICKEL
Contact Position Arrangement Style20-29 SINGLE MATING END
Thread Quantity Per Inch18
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Shell MaterialALUMINUM ALLOY
Contact Maximum DC Voltage Rating in Volts700.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum AC Voltage Rating in Volts500.0 SINGLE MATING END SINGLE CONTACT GROUPING
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Contact Surface Treatment Document and ClassificationMIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum Current Rating in Amps22.0 SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNEF
Insert MaterialSILICON SINGLE MATING END
Insert Position in Deg0.0
Precious MaterialGOLD
Precious Material and Weight0.017 GOLD GRAINS, TROY
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.).
Included Contact Quantity17 SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and LocationCONTACT SURFACES GOLD
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Environmental ProtectionMOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION PROOF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5935-01-076-5725MS3456W20-29S INTERCHANGEABLE
Connector,plug,electrical
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS3456L20-29S Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-5015 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-01-076-5725INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
MS3456W20-29S

Frequently Asked Questions

What is NSN 5935-01-065-7449?

NSN 5935-01-065-7449 is a Connector,plug,electrical, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-01-065-7449?

NSN 5935-01-065-7449 has 2 cross-referenced part numbers: MS3456L20-29S (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-5015 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5935-01-065-7449?

There is 1 known substitute for 5935-01-065-7449: 5935-01-076-5725. Verify interchangeability with system specifications before substitution.

What are the specifications of MS3456L20-29S?

Key specifications for MS3456L20-29S: Body Style: STRAIGHT SHAPE, INTERNAL COUPLING; Contact Material: COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING; Connector Locking Method: INTERNALLY THREADED COUPLING RING; Specification/standard Data: 96906-MS3456 GOVERNMENT STANDARD. 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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