PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1250-0186Connector,receptacle,electrical

Keysight Technologies Inc · NSN 5935-00-439-0262 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-439-0262 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-439-0262. Primary manufacturer part number: 1250-0186.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Overall Diameter: 0.500 INCHES NOMINAL IN
  • Thread Series Designator: UNEF
  • Contact Position Arrangement Style: BNC SINGLE MATING END
  • Body Style: STRAIGHT SHAPE, EXTERNAL COUPLING
  • Thread Class: 2A A
  • Mating End Quantity: 1
  • Bushing Accommodation Hole Shape: ROUND W/FLAT
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-439-0262, 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 Keysight Technologies Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-439-0262
Primary Part Number1250-0186
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Overall Diameter0.500 INCHES NOMINAL IN
Thread Series DesignatorUNEF
Contact Position Arrangement StyleBNC SINGLE MATING END
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Thread Class2A A
Mating End Quantity1
Bushing Accommodation Hole ShapeROUND W/FLAT
Insert MaterialPLASTIC SINGLE MATING END
Shell MaterialCOPPER ALLOY
Shell TypeSOLID
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface TreatmentNICKEL
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Thread DirectionRIGHT-HAND
Precious Material and LocationCONTACT SURFACE GOLD
Contact Surface TreatmentGOLD AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodBAYONET PIN
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and Weight0.005 GOLD GRAINS, TROY
Distance From Mounting Shoulder to Front Face0.469 INCHES NOMINAL IN
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Thread Quantity Per Inch24
Nominal Thread Size0.375 INCHES IN
Threaded Device TypeBACK SHELL AND MOUNTING BUSHING
Mounting Facility Thickness0.594 INCHES NOMINAL IN
Precious MaterialGOLD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-078-2676303801 INTERCHANGEABLE
Washer,engine
Brp Us Inc
4220-01-056-4984 INTERCHANGEABLE
Diver's Dress
4930-01-135-17363038-01 INTERCHANGEABLE
Washer,diaphragm
Watts Automatic Control Valve Inc
6520-01-556-3024 INTERCHANGEABLE
Nut,needle,heat Carrier,dental
6530-01-698-9586303801 INTERCHANGEABLE
Bag,cold Therapy-Intermittent Co
Coolsystems, Inc. Dba Game Ready
Cross-Reference Index
Part NumberManufacturer
30380-1 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
1250-0186 Fischbach and Moore Communications Div of Fischbach and Moore Inc (USA)
1250-0186 PRIMARY Keysight Technologies Inc (USA)
30380-1 Amphenol Corp Div Amphenol Aerospace Operations (USA)
28JR129-1 Specialty Connector Co Inc (USA)
1250-0186 Keysight Technologies, Inc. (USA)
1250-0186 Hewlett-Packard Company Dba HP (USA)
31-221-1024 Amphenol Corp Div Amphenol Aerospace Operations (USA)
31-221-1024 Amphenol Corp Spectra-Strip/itd (USA)
Related Parts
5310-00-078-2676INTERCHANGEABLE
WASHER,ENGINE
303801
4220-01-056-4984INTERCHANGEABLE
DIVER'S DRESS
4930-01-135-1736INTERCHANGEABLE
WASHER,DIAPHRAGM
3038-01
6520-01-556-3024INTERCHANGEABLE
NUT,NEEDLE,HEAT CARRIER,DENTAL
6530-01-698-9586INTERCHANGEABLE
BAG,COLD THERAPY-INTERMITTENT CO
303801

Frequently Asked Questions

What is NSN 5935-00-439-0262?

NSN 5935-00-439-0262 is a Connector,receptacle,electrical, manufactured by Keysight Technologies Inc, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-439-0262?

NSN 5935-00-439-0262 has 9 cross-referenced part numbers: 30380-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 1250-0186 (Fischbach and Moore Communications Div of Fischbach and Moore Inc), 1250-0186 (Keysight Technologies Inc), 30380-1 (Amphenol Corp Div Amphenol Aerospace Operations), 28JR129-1 (Specialty Connector Co Inc) and 4 more.

What NSN replaces 5935-00-439-0262?

There are 5 known substitutes for 5935-00-439-0262: 5310-00-078-2676, 4220-01-056-4984, 4930-01-135-1736 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1250-0186?

Key specifications for 1250-0186: Overall Diameter: 0.500 INCHES NOMINAL IN; Thread Series Designator: UNEF; Contact Position Arrangement Style: BNC SINGLE MATING END; Body Style: STRAIGHT SHAPE, EXTERNAL COUPLING. 30 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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