PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS3349-1Connector,plug,electrical

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5935-00-134-0921 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-134-0921 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-134-0921. Primary manufacturer part number: MS3349-1.
Features
  • Connector,plug,electrical — FSC 5935
  • Terminal Location: SIDE SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Material: COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
  • Included Contact Type: ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
  • Test Data Document: 81349-MIL-P-18148 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.).
  • Shell Material: METAL
  • Contact Position Arrangement Style: 2 SINGLE MATING END
  • Connector Locking Method: JACKSCREW
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,plug,electrical, cataloged under National Stock Number 5935-00-134-0921, 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 15 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-134-0921
Primary Part NumberMS3349-1
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
Terminal LocationSIDE SINGLE MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Test Data Document81349-MIL-P-18148 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.).
Shell MaterialMETAL
Contact Position Arrangement Style2 SINGLE MATING END
Connector Locking MethodJACKSCREW
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Specification/standard Data96906-MS3349 GOVERNMENT STANDARD
Included Contact Quantity2 SINGLE MATING END SINGLE CONTACT GROUPING
Environmental ProtectionFUNGUS RESISTANT AND HUMIDITY RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT
Mating End Quantity1
Threaded Device TypeCOUPLING FACILITY
Body StyleSTRAIGHT SHAPE, BATTERY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-686-0447 INTERCHANGEABLE
Connector,plug,electrical
5935-01-030-4685 INTERCHANGEABLE
Connector,plug,electrical
5935-01-035-4730 INTERCHANGEABLE
Connector,plug,electrical
5935-01-084-3534 INTERCHANGEABLE
Connector,plug,electrical
Cross-Reference Index
Part NumberManufacturer
MS3349-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-P-18148 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-00-686-0447INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-030-4685INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-035-4730INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-084-3534INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL

Frequently Asked Questions

What is NSN 5935-00-134-0921?

NSN 5935-00-134-0921 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 5935-00-134-0921?

NSN 5935-00-134-0921 has 2 cross-referenced part numbers: MS3349-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-P-18148 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5935-00-134-0921?

There are 4 known substitutes for 5935-00-134-0921: 5935-00-686-0447, 5935-01-030-4685, 5935-01-035-4730 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS3349-1?

Key specifications for MS3349-1: Terminal Location: SIDE SINGLE MATING END SINGLE CONTACT GROUPING; Contact Material: COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING; Included Contact Type: ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING; Special Features: 2 SETSCREWS ARE PROVIDED TO HOLD WIRES IN SOCKETS. 18 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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