PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19251Connector,receptacle,electrical

Telephonics Corp · NSN 5935-00-581-4141 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-581-4141 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-581-4141. Primary manufacturer part number: 19251.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Thread Series Designator: UNEF
  • Radio Frequency Type Contact Characteristic Impedance in Ohms: 50.0 SINGLE MATING END SINGLE CONTACT GROUPING
  • Connector Locking Method: EXTERNALLY THREADED SHELL
  • Shell Material: COPPER
  • Insert Material: PLASTIC SINGLE MATING END
  • Contact Removability: NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
  • Included Contact Type: COAXIAL SOCKET 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 5935-00-581-4141, 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 Telephonics Corp. Government technical data includes 15 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-581-4141
Primary Part Number19251
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerTelephonics Corp
StatusACTIVE
Thread Series DesignatorUNEF
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodEXTERNALLY THREADED SHELL
Shell MaterialCOPPER
Insert MaterialPLASTIC SINGLE MATING END
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.625 INCHES IN
Bushing Accommodation Hole ShapeROUND
Mating End Quantity1
Overall Diameter1.985 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.149 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Mounting Hole Radius0.885 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3040-00-211-409426527-01 INTERCHANGEABLE
Gearshaft,spur
Kurt Manufacturing Company, Inc. Div Kurt Manufacturing Company
5915-00-224-37501925-1 INTERCHANGEABLE
Filter,radio Frequency Interfere
Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial
2915-00-310-64012-652-7 INTERCHANGEABLE
Float,level Control
Parker Hannifin Corporation Div Aerospace Group Headquarters
4720-01-255-786726527 INTERCHANGEABLE
Hose,preformed
Gates Corporation
3040-01-342-069226527 INTERCHANGEABLE
Hub,body
Sullair Corp
5985-01-425-49301925-1 INTERCHANGEABLE
Antenna Coupler Group
Tech Resources, Inc
5305-01-599-616626527 INTERCHANGEABLE
Screw,machine
Eagle Components, Inc
4520-01-614-334119251 INTERCHANGEABLE
Heater,space,electric
King Electrical Manufacturing Company
Cross-Reference Index
Part NumberManufacturer
19251 PRIMARY Telephonics Corp (USA)
26527 Peraton Inc (USA)
19251 Peraton Inc (USA)
Related Parts
3040-00-211-4094INTERCHANGEABLE
GEARSHAFT,SPUR
26527-01
5915-00-224-3750INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
1925-1
2915-00-310-6401INTERCHANGEABLE
FLOAT,LEVEL CONTROL
2-652-7
4720-01-255-7867INTERCHANGEABLE
HOSE,PREFORMED
26527
3040-01-342-0692INTERCHANGEABLE
HUB,BODY
26527
5985-01-425-4930INTERCHANGEABLE
ANTENNA COUPLER GROUP
1925-1
5305-01-599-6166INTERCHANGEABLE
SCREW,MACHINE
26527
4520-01-614-3341INTERCHANGEABLE
HEATER,SPACE,ELECTRIC
19251

Frequently Asked Questions

What is NSN 5935-00-581-4141?

NSN 5935-00-581-4141 is a Connector,receptacle,electrical, manufactured by Telephonics Corp, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-581-4141?

NSN 5935-00-581-4141 has 3 cross-referenced part numbers: 19251 (Telephonics Corp), 26527 (Peraton Inc), 19251 (Peraton Inc).

What NSN replaces 5935-00-581-4141?

There are 8 known substitutes for 5935-00-581-4141: 3040-00-211-4094, 5915-00-224-3750, 2915-00-310-6401 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19251?

Key specifications for 19251: Thread Series Designator: UNEF; Radio Frequency Type Contact Characteristic Impedance in Ohms: 50.0 SINGLE MATING END SINGLE CONTACT GROUPING; Connector Locking Method: EXTERNALLY THREADED SHELL; Shell Material: COPPER. 16 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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