PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

919-B3900B-75Connector,receptacle,electrical

Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector · NSN 5935-00-828-4210 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-828-4210 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-828-4210. Primary manufacturer part number: 919-B3900B-75.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Threaded Device Type: MOUNTING BUSHING
  • Distance From Mounting Shoulder to Front Face: 0.797 INCHES NOMINAL IN
  • Overall Diameter: 0.688 INCHES NOMINAL IN
  • Included Contact Quantity: 1 SINGLE MATING END SINGLE CONTACT GROUPING
  • Radio Frequency Type Contact Characteristic Impedance in Ohms: 50.0 SINGLE MATING END SINGLE CONTACT GROUPING
  • Nominal Thread Size: 0.500 INCHES IN
  • Contact Surface Treatment: GOLD AND COPPER 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 5935-00-828-4210, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-828-4210
Primary Part Number919-B3900B-75
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerLax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
StatusACTIVE
Threaded Device TypeMOUNTING BUSHING
Distance From Mounting Shoulder to Front Face0.797 INCHES NOMINAL IN
Overall Diameter0.688 INCHES NOMINAL IN
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.500 INCHES IN
Contact Surface TreatmentGOLD AND COPPER SINGLE MATING END SINGLE CONTACT GROUPING
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Connector Locking MethodBAYONET PIN
Contact Surface Treatment Document and ClassificationMIL-G-45204,TY 2,CLASS 2 MIL SPEC 1ST TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNEF
Connector Cable Strain Relief MethodCOMPRESSION NUT
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Thread Quantity Per Inch28
Contact Position Arrangement StyleBNC SINGLE MATING END
Contact Material Document and ClassificationQQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Shell MaterialCOPPER ALLOY
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Insert Position in Deg0.0
Mounting Facility Thickness0.172 INCHES NOMINAL IN
Shell TypeSOLID
Bushing Accommodation Hole ShapeROUND
Precious Material and LocationCONTACT SURFACE GOLD
Precious Material and Weight0.005 GOLD GRAINS, TROY
Precious MaterialGOLD
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Thread Class2A A
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3455-00-224-032513200 INTERCHANGEABLE
Cutter,milling,angle
Niagara Cutter Inc
5935-00-442-199331-245 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
5950-00-645-283031245 INTERCHANGEABLE
Transformer,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
6515-01-140-5206312.46 INTERCHANGEABLE
Sleeve Tap 4.5 Mm
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5310-01-152-618331245 INTERCHANGEABLE
Nut,plain,hexagon
Barnes Group Inc. Dba Barnes Distribution
4820-01-240-475231245 INTERCHANGEABLE
Retainer,disk,valve
Pneudraulics, Inc.
Cross-Reference Index
Part NumberManufacturer
919-B3900B-75 PRIMARY Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector (USA)
31-245 Amphenol Corporation Div Amphenol Rf (USA)
385910-1 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
31-245 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
Related Parts
3455-00-224-0325INTERCHANGEABLE
CUTTER,MILLING,ANGLE
13200
5935-00-442-1993INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
31-245
5950-00-645-2830INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
31245
6515-01-140-5206INTERCHANGEABLE
SLEEVE TAP 4.5 MM
312.46
5310-01-152-6183INTERCHANGEABLE
NUT,PLAIN,HEXAGON
31245
4820-01-240-4752INTERCHANGEABLE
RETAINER,DISK,VALVE
31245

Frequently Asked Questions

What is NSN 5935-00-828-4210?

NSN 5935-00-828-4210 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: active.

What are the part numbers for NSN 5935-00-828-4210?

NSN 5935-00-828-4210 has 4 cross-referenced part numbers: 919-B3900B-75 (Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector), 31-245 (Amphenol Corporation Div Amphenol Rf), 385910-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 31-245 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).

What NSN replaces 5935-00-828-4210?

There are 6 known substitutes for 5935-00-828-4210: 3455-00-224-0325, 5935-00-442-1993, 5950-00-645-2830 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 919-B3900B-75?

Key specifications for 919-B3900B-75: Overall Length: 1.125 INCHES NOMINAL IN; Threaded Device Type: MOUNTING BUSHING; Distance From Mounting Shoulder to Front Face: 0.797 INCHES NOMINAL IN; Overall Diameter: 0.688 INCHES NOMINAL IN. 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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