PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300-50-21-1-1-1Connector,receptacle,electrical

Electric Regulator Corp · NSN 5935-00-518-9163 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-518-9163 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-518-9163. Primary manufacturer part number: 300-50-21-1-1-1.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Body Length: 2.000 INCHES NOMINAL IN
  • Included Contact Type: ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
  • Insert Material: PLASTIC SINGLE MATING END
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 1.500 INCHES NOMINAL IN
  • Body Width: 2.000 INCHES NOMINAL IN
  • Included Contact Quantity: 14 SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Removability: NONREMOVABLE 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 5935-00-518-9163, 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 Electric Regulator Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-518-9163
Primary Part Number300-50-21-1-1-1
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerElectric Regulator Corp
StatusCANCELLED
Body Length2.000 INCHES NOMINAL IN
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialPLASTIC SINGLE MATING END
Distance Between Centerlines of Mounting Facilities Parallel to Body Width1.500 INCHES NOMINAL IN
Body Width2.000 INCHES NOMINAL IN
Included Contact Quantity14 SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Center to Center Distance Between Mounting Facilities Parallel to Height1.500 INCHES NOMINAL IN
Mating End Quantity1
Unthreaded Mounting Hole Diameter0.144 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5331-00-291-2374303191 INTERCHANGEABLE
O-Ring
Brp Us Inc
4720-00-987-1798009303191 INTERCHANGEABLE
Hose Assembly,nonmetallic
Tvh Parts Co.
5340-01-342-150430319-1 INTERCHANGEABLE
Standoff,threaded,spacing
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5935-01-689-973430-319-1 INTERCHANGEABLE
Connector,receptacle,electrical
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
300-50-21-1-1-1 Tumb-L-Matic Div Nielsen John R and Sons Inc (USA)
300-50-21-1-1-1 PRIMARY Electric Regulator Corp (USA)
303-19-1 Electric Regulator Corp (USA)
Related Parts
5331-00-291-2374INTERCHANGEABLE
O-RING
303191
4720-00-987-1798INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
009303191
5340-01-342-1504INTERCHANGEABLE
STANDOFF,THREADED,SPACING
30319-1
5935-01-689-9734INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
30-319-1

Frequently Asked Questions

What is NSN 5935-00-518-9163?

NSN 5935-00-518-9163 is a Connector,receptacle,electrical, manufactured by Electric Regulator Corp, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-518-9163?

NSN 5935-00-518-9163 has 3 cross-referenced part numbers: 300-50-21-1-1-1 (Tumb-L-Matic Div Nielsen John R and Sons Inc), 300-50-21-1-1-1 (Electric Regulator Corp), 303-19-1 (Electric Regulator Corp).

What NSN replaces 5935-00-518-9163?

There are 4 known substitutes for 5935-00-518-9163: 5331-00-291-2374, 4720-00-987-1798, 5340-01-342-1504 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300-50-21-1-1-1?

Key specifications for 300-50-21-1-1-1: Body Length: 2.000 INCHES NOMINAL IN; Included Contact Type: ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING; Insert Material: PLASTIC SINGLE MATING END; Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 1.500 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-518-9163 still in active supply?

NSN 5935-00-518-9163 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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