PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51785Connector,receptacle,electrical

Cae Inc · NSN 5935-00-449-6720 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-449-6720 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-449-6720. Primary manufacturer part number: 51785.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Unthreaded Mounting Hole Diameter: 0.120 INCHES NOMINAL IN
  • Thread Class: 2A AND 2B A
  • Contact Surface Treatment Document and Classification: MIL-G-45204 TY 2 MIL SPEC ALL TREATMENT RESPONSES SINGLE MATING END SINGLE CONTACT GROUPING
  • Threaded Device Type: COUPLING FACILITY
  • Thread Direction: RIGHT-HAND
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 0.468 INCHES NOMINAL IN
  • Insert Material: PLASTIC DIALLYL PHTHALATE SINGLE MATING END
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-449-6720, 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 Cae Inc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-449-6720
Primary Part Number51785
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerCae Inc
StatusACTIVE
Unthreaded Mounting Hole Diameter0.120 INCHES NOMINAL IN
Thread Class2A AND 2B A
Contact Surface Treatment Document and ClassificationMIL-G-45204 TY 2 MIL SPEC ALL TREATMENT RESPONSES SINGLE MATING END SINGLE CONTACT GROUPING
Threaded Device TypeCOUPLING FACILITY
Thread DirectionRIGHT-HAND
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.468 INCHES NOMINAL IN
Insert MaterialPLASTIC DIALLYL PHTHALATE SINGLE MATING END
Included Contact Quantity34 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement Style34 SINGLE MATING END
Polarization MethodJACKSCREW
Precious MaterialGOLD
Connector Locking MethodJACKSCREW-SOCKET
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and LocationCONTACT SURFACES GOLD
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and Weight0.034 GOLD GRAINS, TROY
Contact Surface TreatmentGOLD AND COPPER SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.138 INCHES IN
Thread Quantity Per Inch32
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Center to Center Distance Between Mounting Facilities Parallel to Length1.687 INCHES NOMINAL IN
Insert Material Document and ClassificationMIL-M-14 TY SDG-F MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END
Contact Maximum Current Rating in Amps7.5 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Mating End Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1620-00-600-67195178-1 INTERCHANGEABLE
Pin-Arm Stop,nlg
Goodrich Aerospace Canada Ltd
5940-00-853-623210-209-2-01 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
Cross-Reference Index
Part NumberManufacturer
MRE34S95J6TY34 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
34-20SGDFS-50 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation (USA)
34S95JTC6Y34 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
51785 PRIMARY Cae Inc (CAN)
Related Parts
1620-00-600-6719INTERCHANGEABLE
PIN-ARM STOP,NLG
5178-1
5940-00-853-6232INTERCHANGEABLE
TERMINAL,STUD
10-209-2-01

Frequently Asked Questions

What is NSN 5935-00-449-6720?

NSN 5935-00-449-6720 is a Connector,receptacle,electrical, manufactured by Cae Inc, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-449-6720?

NSN 5935-00-449-6720 has 4 cross-referenced part numbers: MRE34S95J6TY34 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect), 34-20SGDFS-50 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation), 34S95JTC6Y34 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect), 51785 (Cae Inc).

What NSN replaces 5935-00-449-6720?

There are 2 known substitutes for 5935-00-449-6720: 1620-00-600-6719, 5940-00-853-6232. Verify interchangeability with system specifications before substitution.

What are the specifications of 51785?

Key specifications for 51785: Unthreaded Mounting Hole Diameter: 0.120 INCHES NOMINAL IN; Thread Class: 2A AND 2B A; Contact Surface Treatment Document and Classification: MIL-G-45204 TY 2 MIL SPEC ALL TREATMENT RESPONSES SINGLE MATING END SINGLE CONTACT GROUPING; Threaded Device Type: COUPLING FACILITY. 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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