PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21850Adapter,connector

Amphenol Corporation Div Amphenol Rf · NSN 5935-00-711-2016 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-711-2016 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-711-2016. Primary manufacturer part number: 21850.
Features
  • Adapter,connector — FSC 5935
  • Thread Class: 2A A
  • Mating End Quantity: 2
  • Body Style: STRAIGHT SHAPE W/FLANGE
  • Insert Material: PLASTIC POLYAMIDE NYLON ALL MATING ENDS
  • Radio Frequency Type Contact Characteristic Impedance in Ohms: 50.0 ALL MATING ENDS SINGLE CONTACT GROUPING
  • Shell Type: SOLID
  • Thread Series Designator: UNEF
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Adapter,connector, cataloged under National Stock Number 5935-00-711-2016, 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 Amphenol Corporation Div Amphenol Rf. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-711-2016
Primary Part Number21850
Item NameAdapter,connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerAmphenol Corporation Div Amphenol Rf
StatusACTIVE
Thread Class2A A
Mating End Quantity2
Body StyleSTRAIGHT SHAPE W/FLANGE
Insert MaterialPLASTIC POLYAMIDE NYLON ALL MATING ENDS
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 ALL MATING ENDS SINGLE CONTACT GROUPING
Shell TypeSOLID
Thread Series DesignatorUNEF
Contact Position Arrangement StyleBNC FIRST MATING END
Contact Position Arrangement StyleTNC SECOND MATING END
Included Contact TypeCOAXIAL SOCKET ALL MATING ENDS SINGLE CONTACT GROUPING
Connector Locking MethodEXTERNALLY THREADED SHELL AND BAYONET PIN
Contact Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE ALL MATING ENDS SINGLE CONTACT GROUPING
Included Contact Quantity1 FIRST MATING END SINGLE CONTACT GROUPING
Thread DirectionRIGHT-HAND
Shell MaterialCOPPER ALLOY
Nominal Thread Size0.625 INCHES IN
Contact RemovabilityREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING
Thread Quantity Per Inch24
Included Contact Quantity1 SECOND MATING END SINGLE CONTACT GROUPING
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.719 INCHES NOMINAL IN
Precious Material and Weight0.110 SILVER GRAINS, TROY
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL IN
Precious MaterialSILVER
Precious Material and LocationCONTACT AND BODY SURFACES SILVER
Threaded Device TypeCOUPLING FACILITY
Shell Surface TreatmentSILVER
Center to Center Distance Between Mounting Facilities Parallel to Height0.719 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-100-444310A4022IT26 INTERCHANGEABLE
Bearing,roller,tapered
Ge Medical Systems
4130-00-160-9350ADK052S INTERCHANGEABLE
Filter-Drier,refrigerant
Emerson Electric Co Alco Controls Div
2990-00-363-599521850 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
5930-00-501-31286AT7 INTERCHANGEABLE
Switch,toggle
Honeywell International Inc. Dba Honeyweel Sensing & Controls
5965-00-925-5112 INTERCHANGEABLE
Microphone Element
5815-01-171-1620 INTERCHANGEABLE
Rod,connecting
4130-01-327-081021850 INTERCHANGEABLE
Filter-Drier,refrigerant
Imi Cornelius Inc Dba Cornelius
Cross-Reference Index
Part NumberManufacturer
5943184 Naval Sea Systems Command (USA)
1810815 Northrop Grumman Systems Corporation (USA)
IPC21850 Amphenol Corporation Div Amphenol Rf (USA)
TRU-3257 Winchester Interconnect Rf Corporation (USA)
21850 PRIMARY Amphenol Corporation Div Amphenol Rf (USA)
Related Parts
3110-00-100-4443INTERCHANGEABLE
BEARING,ROLLER,TAPERED
10A4022IT26
4130-00-160-9350INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
ADK052S
2990-00-363-5995INTERCHANGEABLE
MUFFLER,EXHAUST
21850
5930-00-501-3128INTERCHANGEABLE
SWITCH,TOGGLE
6AT7
5965-00-925-5112INTERCHANGEABLE
MICROPHONE ELEMENT
5815-01-171-1620INTERCHANGEABLE
ROD,CONNECTING
4130-01-327-0810INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
21850

Frequently Asked Questions

What is NSN 5935-00-711-2016?

NSN 5935-00-711-2016 is a Adapter,connector, manufactured by Amphenol Corporation Div Amphenol Rf, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-711-2016?

NSN 5935-00-711-2016 has 5 cross-referenced part numbers: 5943184 (Naval Sea Systems Command), 1810815 (Northrop Grumman Systems Corporation), IPC21850 (Amphenol Corporation Div Amphenol Rf), TRU-3257 (Winchester Interconnect Rf Corporation), 21850 (Amphenol Corporation Div Amphenol Rf).

What NSN replaces 5935-00-711-2016?

There are 7 known substitutes for 5935-00-711-2016: 3110-00-100-4443, 4130-00-160-9350, 2990-00-363-5995 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21850?

Key specifications for 21850: Thread Class: 2A A; Mating End Quantity: 2; Overall Height: 0.812 INCHES NOMINAL IN; Body Style: STRAIGHT SHAPE W/FLANGE. 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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