PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

991861Connector,receptacle,electrical

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5935-00-644-5121 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-644-5121 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-644-5121. Primary manufacturer part number: 991861.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Body Style: STRAIGHT SHAPE
  • Shell Type: SOLID
  • Contact Maximum Current Rating in Amps: 10.0 SINGLE MATING END SECOND CONTACT GROUPING
  • Insert Material: RUBBER SINGLE MATING END
  • Contact Maximum AC Voltage Rating in Volts: 150.0 SINGLE MATING END SECOND CONTACT GROUPING
  • Included Contact Quantity: 1 SINGLE MATING END SECOND CONTACT GROUPING
  • Contact Maximum AC Voltage Rating in Volts: 125.0 SINGLE MATING END FIRST CONTACT GROUPING
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-644-5121, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 16 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
NSN5935-00-644-5121
Primary Part Number991861
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Body StyleSTRAIGHT SHAPE
Shell TypeSOLID
Contact Maximum Current Rating in Amps10.0 SINGLE MATING END SECOND CONTACT GROUPING
Insert MaterialRUBBER SINGLE MATING END
Contact Maximum AC Voltage Rating in Volts150.0 SINGLE MATING END SECOND CONTACT GROUPING
Included Contact Quantity1 SINGLE MATING END SECOND CONTACT GROUPING
Contact Maximum AC Voltage Rating in Volts125.0 SINGLE MATING END FIRST CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END ALL CONTACT GROUPINGS
Contact Position Arrangement Style2 SINGLE MATING END
Terminal TypeSCREW SINGLE MATING END ALL CONTACT GROUPINGS
Shell MaterialIRON
Contact Maximum Current Rating in Amps15.0 SINGLE MATING END FIRST CONTACT GROUPING
Contact Maximum DC Voltage Rating in Volts125.0 SINGLE MATING END FIRST CONTACT GROUPING
Included Contact Quantity1 SINGLE MATING END FIRST CONTACT GROUPING
Criticality Code JustificationFEAT
Polarization MethodCONTACT
Contact Maximum DC Voltage Rating in Volts250.0 SINGLE MATING END SECOND CONTACT GROUPING
Included Contact TypeFLAT SOCKET SINGLE MATING END ALL CONTACT GROUPINGS
Contact RemovabilityNONREMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS
Unthreaded Mounting Hole Diameter0.126 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN
Distance Between Mounting Facility Centers1.500 INCHES NOMINAL IN
Mating End Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4920-00-116-1668A220746-002 INTERCHANGEABLE
Test Set,air Data C
Raytheon Company Dba Raytheon
5210-00-195-9531823A INTERCHANGEABLE
Caliper,micrometer,inside
L.s. Starrett Company (the) Div Tool Division
1730-00-204-086737X89811-1 INTERCHANGEABLE
Ladder,aircraft Boarding
Northrop Grumman Systems Corporation
5305-00-273-5542 INTERCHANGEABLE
Screw,shoulder
1650-00-322-5179 INTERCHANGEABLE
Spacer,pivot
5342-00-366-1951823A INTERCHANGEABLE
Bracket,chain Snubbing
Ellcon-National, Inc. Div a Division of Faiveley Transport Group
5977-00-387-0773823B4 INTERCHANGEABLE
Holder,electrical Contact Brush
Ward Leonard Ct Llc
5950-00-438-6476920009-23 INTERCHANGEABLE
Transformer,audio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
7110-00-458-86211663 INTERCHANGEABLE
Filing Cabinet
Tab Products Co. Llc Dba Tab Products Co Llc
6160-00-519-2300 INTERCHANGEABLE
Jar,battery
Cross-Reference Index
Part NumberManufacturer
49844 Department of the Navy (USA)
991861 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
GE2711 General Electric Company (USA)
358-595 Lockheed Martin Corporation Div Space (USA)
49844 PRIMARY Naval Ship Systems Command (USA)
50MS423 Hewlett-Packard Company Dba HP (USA)
4343-5 General Electric Company (USA)
L113 Hewlett-Packard Company Dba HP (USA)
823A PRIMARY Pakon Inc Dba Impak Division (USA)
358-595 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
A10890 PRIMARY Raytheon Company Dba Raytheon Co (USA)
2711 General Electric Company (USA)
PL18 Bae Systems Information and Electronic Systems Integration Inc. (USA)
206A447 General Electric Company (USA)
1039 Mutron Corp (USA)
GE4343-5 General Electric Company (USA)
7150098 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1663 PRIMARY Ripley Co Inc (USA)
A10890 Bendix Corp the (USA)
R39 PRIMARY Belfort Instrument Company (USA)
Related Parts
4920-00-116-1668INTERCHANGEABLE
TEST SET,AIR DATA C
A220746-002
5210-00-195-9531INTERCHANGEABLE
CALIPER,MICROMETER,INSIDE
823A
1730-00-204-0867INTERCHANGEABLE
LADDER,AIRCRAFT BOARDING
37X89811-1
5305-00-273-5542INTERCHANGEABLE
SCREW,SHOULDER
1650-00-322-5179INTERCHANGEABLE
SPACER,PIVOT
5342-00-366-1951INTERCHANGEABLE
BRACKET,CHAIN SNUBBING
823A
5977-00-387-0773INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
823B4
5950-00-438-6476INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
920009-23
7110-00-458-8621INTERCHANGEABLE
FILING CABINET
1663
6160-00-519-2300INTERCHANGEABLE
JAR,BATTERY
5945-00-549-2774INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5950-00-556-6725INTERCHANGEABLE
TRANSFORMER,POWER
774867

Frequently Asked Questions

What is NSN 5935-00-644-5121?

NSN 5935-00-644-5121 is a Connector,receptacle,electrical, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-644-5121?

NSN 5935-00-644-5121 has 22 cross-referenced part numbers: 49844 (Department of the Navy), 991861 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), GE2711 (General Electric Company), 358-595 (Lockheed Martin Corporation Div Space), 49844 (Naval Ship Systems Command) and 17 more.

What NSN replaces 5935-00-644-5121?

There are 12 known substitutes for 5935-00-644-5121: 4920-00-116-1668, 5210-00-195-9531, 1730-00-204-0867 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 991861?

Key specifications for 991861: Body Style: STRAIGHT SHAPE; Overall Width: 1.250 INCHES NOMINAL IN; Shell Type: SOLID; Contact Maximum Current Rating in Amps: 10.0 SINGLE MATING END SECOND CONTACT GROUPING. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-644-5121 still in active supply?

NSN 5935-00-644-5121 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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