PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66900-220Connector,plug,electrical

Fci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc · NSN 5935-01-165-0677 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-165-0677 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-165-0677. Primary manufacturer part number: 66900-220.
Features
  • Connector,plug,electrical — FSC 5935
  • Body Style: STRAIGHT SHAPE
  • Included Contact Quantity: 20 SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Maximum AC Voltage Rating in Volts: 300.0 SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Surface Treatment: GOLD SINGLE MATING END SINGLE CONTACT GROUPING
  • Specification/standard Data: 81349-MIL-C-83503/7 GOVERNMENT SPECIFICATION
  • Connector Locking Method: FRICTION
  • Insert Material Document and Classification: MIL-M-24519 MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,plug,electrical, cataloged under National Stock Number 5935-01-165-0677, 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 Fci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-01-165-0677
Primary Part Number66900-220
Item NameConnector,plug,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerFci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc
StatusCANCELLED
Body StyleSTRAIGHT SHAPE
Included Contact Quantity20 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum AC Voltage Rating in Volts300.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Specification/standard Data81349-MIL-C-83503/7 GOVERNMENT SPECIFICATION
Connector Locking MethodFRICTION
Insert Material Document and ClassificationMIL-M-24519 MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END
Polarization MethodSHELL
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialPLASTIC POLYESTER SINGLE MATING END
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement Style2 ROWS OF CONTACTS NON-INSERTED BOARD SINGLE MATING END
Precious MaterialGOLD
Precious Material and LocationCONTACT SURFACES GOLD
Contact Maximum Current Rating in Amps1.0 SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and Weight0.020 GOLD GRAINS, TROY
Test Data Document81349-MIL-C-83503 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.).
Mating End Quantity1
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT
Contact Material Document and ClassificationQQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5935-01-128-3638 INTERCHANGEABLE
Connector,plug,electrical
5935-01-128-3639 INTERCHANGEABLE
Connector,plug,electrical
5935-01-132-8596 INTERCHANGEABLE
Connector,plug,electrical
5935-01-137-5256 INTERCHANGEABLE
Connector,plug,electrical
5935-01-161-9504 INTERCHANGEABLE
Connector,plug,electrical
5935-01-175-8237 INTERCHANGEABLE
Connector,plug,electrical
5935-01-179-3380 INTERCHANGEABLE
Connector,plug,electrical
5935-01-194-3027 INTERCHANGEABLE
Connector,plug,electrical
5935-01-194-4245 INTERCHANGEABLE
Connector,plug,electrical
5935-01-202-4353 INTERCHANGEABLE
Connector,plug,electrical
Cross-Reference Index
Part NumberManufacturer
66900-220 Fci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc (USA)
M83503/7-04 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-83503/7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-83503 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
7907625-05 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
M83503/7-04 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3421-3000 Minnesota Mining and Mfg Co 3m Company (USA)
M3421-6020 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
10135709 Nimikkeistokeskus Ncb Finland (FIN)
7907625 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
MIL-DTL-83503/7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1251-3881 Hewlett-Packard Company Dba HP (USA)
2396221-4 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
86904-2 Te Connectivity Corporation (USA)
Related Parts
5935-01-128-3638INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-128-3639INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-132-8596INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-137-5256INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-161-9504INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-175-8237INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-179-3380INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-194-3027INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-194-4245INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-202-4353INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-267-3801INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-318-1094INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL

Frequently Asked Questions

What is NSN 5935-01-165-0677?

NSN 5935-01-165-0677 is a Connector,plug,electrical, manufactured by Fci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-01-165-0677?

NSN 5935-01-165-0677 has 14 cross-referenced part numbers: 66900-220 (Fci Usa, Inc Dba Fci Usa Llc Div Fci Usa Llc), M83503/7-04 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-83503/7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-83503 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 7907625-05 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan) and 9 more.

What NSN replaces 5935-01-165-0677?

There are 12 known substitutes for 5935-01-165-0677: 5935-01-128-3638, 5935-01-128-3639, 5935-01-132-8596 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66900-220?

Key specifications for 66900-220: Body Style: STRAIGHT SHAPE; Included Contact Quantity: 20 SINGLE MATING END SINGLE CONTACT GROUPING; Contact Maximum AC Voltage Rating in Volts: 300.0 SINGLE MATING END SINGLE CONTACT GROUPING; Contact Surface Treatment: GOLD SINGLE MATING END SINGLE CONTACT GROUPING. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-01-165-0677 still in active supply?

NSN 5935-01-165-0677 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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