PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H4-1Connector,receptacle,electrical

Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector · NSN 5935-00-823-0278 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-823-0278 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-823-0278. Primary manufacturer part number: H4-1.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Mating End Quantity: 1
  • Thread Series Designator: UNEF
  • Contact Surface Treatment: SILVER SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Maximum AC Voltage Rating in Volts: 500.0 SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Material: COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
  • Thread Quantity Per Inch: 32
  • Radio Frequency Type Contact Characteristic Impedance in Ohms: 50.0 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 5935-00-823-0278, 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 Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-823-0278
Primary Part NumberH4-1
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerLax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
StatusCANCELLED
Mating End Quantity1
Thread Series DesignatorUNEF
Contact Surface TreatmentSILVER SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum AC Voltage Rating in Volts500.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Thread Quantity Per Inch32
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement StyleBNC SINGLE MATING END
Shell MaterialCOPPER ALLOY
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialPLASTIC TETRAFLUOROETHYLENE SINGLE MATING END
Contact Material Document and ClassificationQQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Thread DirectionRIGHT-HAND
Shell Surface TreatmentSILVER
Body StyleANGLE SHAPE, EXTERNAL COUPLING
Precious Material and LocationCONTACT SURFACE AND SHELL SURFACES SILVER
Overall Diameter0.375 INCHES NOMINAL IN
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Nominal Thread Size0.250 INCHES IN
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Threaded Device TypeMOUNTING BUSHING
Thread Class2A A
Precious Material and Weight0.105 SILVER GRAINS, TROY
Mounting Facility Thickness0.125 INCHES MAXIMUM IN
Precious MaterialSILVER
Bushing Accommodation Hole ShapeROUND W/DOUBLE FLAT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4520-00-057-9832H41 INTERCHANGEABLE
Heater,duct Type,portable
Drs Environmental Systems Inc
5999-00-537-6632H41 INTERCHANGEABLE
Heater,thermal Release
Homewood Products Corp
5120-00-542-4048H-41 INTERCHANGEABLE
Hammer,hand
Newmans Inc New Jersey Div
4520-00-838-3539H41 INTERCHANGEABLE
Heating Element,electrical,nonim
Siemens Energy and Automation Inc Siemens Furnas Controls Div
5120-00-903-9303 INTERCHANGEABLE
Hammer,hand
5999-00-928-82599746537 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Us Army Aviation and Missile Command
2640-00-994-577426-120 INTERCHANGEABLE
Valve Spud,pneumatic Tire
Myers Tire Supply Distribution Inc Div Akron Branch
3040-01-129-5662347C707H04 INTERCHANGEABLE
Hub,body
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4320-01-234-1763H41 INTERCHANGEABLE
Pump,axial Pistons
Hynautic Inc Div of Sta-Rite Industries Inc
Cross-Reference Index
Part NumberManufacturer
C223390-111 Raytheon Company Dba Raytheon Co (USA)
RF073232769 Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector (USA)
RF0752 Gulden Ophthalmics Inc. (USA)
59359232769 Northrop Grumman Systems Corporation (USA)
347C475H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
188218-1 Raytheon Company (USA)
59359233769 Northrop Grumman Systems Corporation (USA)
357-9592-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
H4-1 PRIMARY Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector (USA)
588B154 Cardwell Condenser Corp Lapointe-Admiral Div (USA)
RF0752 PRIMARY Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector (USA)
Related Parts
4520-00-057-9832INTERCHANGEABLE
HEATER,DUCT TYPE,PORTABLE
H41
5999-00-537-6632INTERCHANGEABLE
HEATER,THERMAL RELEASE
H41
5120-00-542-4048INTERCHANGEABLE
HAMMER,HAND
H-41
4520-00-838-3539INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
H41
5120-00-903-9303INTERCHANGEABLE
HAMMER,HAND
5999-00-928-8259INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
9746537
2640-00-994-5774INTERCHANGEABLE
VALVE SPUD,PNEUMATIC TIRE
26-120
3040-01-129-5662INTERCHANGEABLE
HUB,BODY
347C707H04
4320-01-234-1763INTERCHANGEABLE
PUMP,AXIAL PISTONS
H41

Frequently Asked Questions

What is NSN 5935-00-823-0278?

NSN 5935-00-823-0278 is a Connector,receptacle,electrical, manufactured by Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-823-0278?

NSN 5935-00-823-0278 has 11 cross-referenced part numbers: C223390-111 (Raytheon Company Dba Raytheon Co), RF073232769 (Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector), RF0752 (Gulden Ophthalmics Inc.), 59359232769 (Northrop Grumman Systems Corporation), 347C475H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp) and 6 more.

What NSN replaces 5935-00-823-0278?

There are 9 known substitutes for 5935-00-823-0278: 4520-00-057-9832, 5999-00-537-6632, 5120-00-542-4048 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H4-1?

Key specifications for H4-1: Mating End Quantity: 1; Thread Series Designator: UNEF; Contact Surface Treatment: SILVER SINGLE MATING END SINGLE CONTACT GROUPING; Contact Maximum AC Voltage Rating in Volts: 500.0 SINGLE MATING END SINGLE CONTACT GROUPING. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-823-0278 still in active supply?

NSN 5935-00-823-0278 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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