PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EC4644Connector,receptacle,electrical

Caton Connector Corporation Dba Caton Connector Corp · NSN 5935-01-033-6551 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-033-6551 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-033-6551. Primary manufacturer part number: EC4644.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Body Style: RECTANGULAR SHAPE
  • Mating End Quantity: 1
  • Insert Material Document and Classification: MIL-M-14,TYPE MDG MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END
  • Environmental Protection: CORROSION RESISTANT AND MOISTURE RESISTANT AND VIBRATION RESISTANT
  • Contact Surface Treatment: GOLD SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Position Arrangement Style: 1 ROW OF CONTACTS NON-INSERTED BOARD SINGLE MATING END
  • Terminal Location: BACK SINGLE MATING END SINGLE CONTACT GROUPING
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-033-6551, 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 Caton Connector Corporation Dba Caton Connector Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-01-033-6551
Primary Part NumberEC4644
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerCaton Connector Corporation Dba Caton Connector Corp
StatusACTIVE
Body StyleRECTANGULAR SHAPE
Mating End Quantity1
Insert Material Document and ClassificationMIL-M-14,TYPE MDG MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END
Environmental ProtectionCORROSION RESISTANT AND MOISTURE RESISTANT AND VIBRATION RESISTANT
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement Style1 ROW OF CONTACTS NON-INSERTED BOARD SINGLE MATING END
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and Weight0.010 GOLD GRAINS, TROY
Included Contact Quantity10 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypePIN SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and LocationCONTACT SURFACES GOLD
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Precious MaterialGOLD
Connector Locking MethodFRICTION
Insert MaterialPLASTIC DIALLYL PHTHALATE SINGLE MATING END
Contact Maximum Current Rating in Amps5.0 SINGLE MATING END SINGLE CONTACT GROUPING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-198-2454IR8517C INTERCHANGEABLE
Ring,bearing,inner
Rbc Bearings Incorporated Div West Trenton Division
5935-00-333-074370-1322 INTERCHANGEABLE
Connector,receptacle,electrical
Department of Defense Project Manager-Mobile Electric Power
5305-00-423-7912460A20-170 INTERCHANGEABLE
Screw,cap,hexagon Head
Roper Industries Inc Roper Pump Co Div
5355-00-814-36174644 INTERCHANGEABLE
Pointer,dial
Electro Scientific Industries Inc
5905-01-177-9480 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4730-01-208-89584644 INTERCHANGEABLE
Bushing,pipe
Elliott Machine Works Inc
4240-01-250-911046VX INTERCHANGEABLE
Cape,respirator
E. D. Bullard Company Dba Ed Bullard Co
5120-01-375-7761 INTERCHANGEABLE
Socket,socket Wrench
5325-01-467-68021767-D PC42 INTERCHANGEABLE
Ring,retaining
Lawler Manufacturing Company, Inc.
6510-01-484-7864PRM25600 INTERCHANGEABLE
Bandage,adhesive
Medline Industries, Lp
Cross-Reference Index
Part NumberManufacturer
4644 Caton Connector Corporation Dba Caton Connector Corp (USA)
30121C100-20 Freund Precision Inc (USA)
1801257-13 Northrop Grumman Systems Corporation (USA)
EC4644 PRIMARY Caton Connector Corporation Dba Caton Connector Corp (USA)
1801257-14 Northrop Grumman Systems Corporation (USA)
4644 Souriau Usa, Inc. Dba Souriau Usa Inc (USA)
Related Parts
3110-00-198-2454INTERCHANGEABLE
RING,BEARING,INNER
IR8517C
5935-00-333-0743INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
70-1322
5305-00-423-7912INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
460A20-170
5355-00-814-3617INTERCHANGEABLE
POINTER,DIAL
4644
5905-01-177-9480INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4730-01-208-8958INTERCHANGEABLE
BUSHING,PIPE
4644
4240-01-250-9110INTERCHANGEABLE
CAPE,RESPIRATOR
46VX
5120-01-375-7761INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5325-01-467-6802INTERCHANGEABLE
RING,RETAINING
1767-D PC42
6510-01-484-7864INTERCHANGEABLE
BANDAGE,ADHESIVE
PRM25600

Frequently Asked Questions

What is NSN 5935-01-033-6551?

NSN 5935-01-033-6551 is a Connector,receptacle,electrical, manufactured by Caton Connector Corporation Dba Caton Connector Corp, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-01-033-6551?

NSN 5935-01-033-6551 has 6 cross-referenced part numbers: 4644 (Caton Connector Corporation Dba Caton Connector Corp), 30121C100-20 (Freund Precision Inc), 1801257-13 (Northrop Grumman Systems Corporation), EC4644 (Caton Connector Corporation Dba Caton Connector Corp), 1801257-14 (Northrop Grumman Systems Corporation) and 1 more.

What NSN replaces 5935-01-033-6551?

There are 10 known substitutes for 5935-01-033-6551: 3110-00-198-2454, 5935-00-333-0743, 5305-00-423-7912 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of EC4644?

Key specifications for EC4644: Body Style: RECTANGULAR SHAPE; Mating End Quantity: 1; Overall Height: 1.562 INCHES NOMINAL IN; Overall Length: 0.750 INCHES NOMINAL IN. 20 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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