PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6521Connector,plug,electrical

Itt Cannon Electric Phoenix Div · NSN 5935-00-068-4622 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-068-4622 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-068-4622. Primary manufacturer part number: 6521.
Features
  • Connector,plug,electrical — FSC 5935
  • Thread Class: 2B
  • Thread Direction: RIGHT-HAND
  • Threaded Device Type: COUPLING FACILITY
  • Shell Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE
  • Contact Maximum AC Voltage Rating in Volts: 1000.0 SINGLE MATING END SINGLE CONTACT GROUPING
  • Thread Series Designator: UNEF
  • Shell Material: COPPER ALLOY
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,plug,electrical, cataloged under National Stock Number 5935-00-068-4622, 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 Itt Cannon Electric Phoenix Div. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-068-4622
Primary Part Number6521
Item NameConnector,plug,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerItt Cannon Electric Phoenix Div
StatusACTIVE
Thread Class2B
Thread DirectionRIGHT-HAND
Threaded Device TypeCOUPLING FACILITY
Shell Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE
Contact Maximum AC Voltage Rating in Volts1000.0 SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNEF
Shell MaterialCOPPER ALLOY
Thread Quantity Per Inch24
Insert MaterialPLASTIC POLYTETRAFLUOROETHYLENE SINGLE MATING END
Included Contact TypeCOAXIAL PIN SINGLE MATING END SINGLE CONTACT GROUPING
Shell Material Document and ClassificationQQ-B-626,COMP 22,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE
Precious Material and LocationCONTACT AND SHELL SURFACE SILVER
Contact Surface TreatmentSILVER SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodINTERNALLY THREADED COUPLING RING
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.688 INCHES IN
Contact Maximum Frequency Rating10000.0 MEGAHERTZ SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface TreatmentSILVER
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Connector Cable Strain Relief MethodCOMPRESSION NUT
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Precious MaterialSILVER
Contact Material Document and ClassificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Environmental ProtectionWEATHERPROOF
Body StyleSTRAIGHT SHAPE, INTERNAL COUPLING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-014-61576521-101A INTERCHANGEABLE
Gasket
Kirkhill Inc Div Kirkhill Inc, Haskon Division
5330-00-494-9966 INTERCHANGEABLE
Seal,plain Encased
5960-00-810-3594 INTERCHANGEABLE
Electron Tube
3040-00-918-84476521 INTERCHANGEABLE
Shaft,pilot
Michigan Dynamics Inc
4820-01-011-92478Z-V8LR-B(P) INTERCHANGEABLE
Valve,globe
Parker-Hannifin Corp Div Instrumentation Products Division
3030-01-069-16546521 INTERCHANGEABLE
Belt,v
Gates Corporation
5945-01-272-6192231B233DQP1 INTERCHANGEABLE
Relay,hybrid
General Electric Company Dba Ge
5210-01-435-69456521 INTERCHANGEABLE
Dividers,mechanics'
Central Tools, Inc.
5985-01-524-57726521 INTERCHANGEABLE
Antenna Subassembly
Spectrum Control Inc Div Weinschel
6515-01-560-6983123128 INTERCHANGEABLE
Airway,nasopharyngeal
Teleflex Llc
Cross-Reference Index
Part NumberManufacturer
6521 Itt Cannon Electric Phoenix Div (USA)
Related Parts
5330-00-014-6157INTERCHANGEABLE
GASKET
6521-101A
5330-00-494-9966INTERCHANGEABLE
SEAL,PLAIN ENCASED
5960-00-810-3594INTERCHANGEABLE
ELECTRON TUBE
3040-00-918-8447INTERCHANGEABLE
SHAFT,PILOT
6521
4820-01-011-9247INTERCHANGEABLE
VALVE,GLOBE
8Z-V8LR-B(P)
3030-01-069-1654INTERCHANGEABLE
BELT,V
6521
5945-01-272-6192INTERCHANGEABLE
RELAY,HYBRID
231B233DQP1
5210-01-435-6945INTERCHANGEABLE
DIVIDERS,MECHANICS'
6521
5985-01-524-5772INTERCHANGEABLE
ANTENNA SUBASSEMBLY
6521
6515-01-560-6983INTERCHANGEABLE
AIRWAY,NASOPHARYNGEAL
123128
4940-01-572-4234INTERCHANGEABLE
LEAK DETECTOR,REFRIGERANT GAS
6521
4730-01-649-9025INTERCHANGEABLE
ADAPTER BUSHING
652-1

Frequently Asked Questions

What is NSN 5935-00-068-4622?

NSN 5935-00-068-4622 is a Connector,plug,electrical, manufactured by Itt Cannon Electric Phoenix Div, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-068-4622?

NSN 5935-00-068-4622 has 1 cross-referenced part number: 6521 (Itt Cannon Electric Phoenix Div).

What NSN replaces 5935-00-068-4622?

There are 12 known substitutes for 5935-00-068-4622: 5330-00-014-6157, 5330-00-494-9966, 5960-00-810-3594 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6521?

Key specifications for 6521: Thread Class: 2B; Thread Direction: RIGHT-HAND; Threaded Device Type: COUPLING FACILITY; Shell Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com