PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-73Connector,receptacle,electrical

Te Connectivity Corporation Dba Microdot Products · NSN 5935-00-805-2537 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-805-2537 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-805-2537. Primary manufacturer part number: 31-73.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Shell Material: COPPER ALLOY
  • Included Contact Type: COAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
  • Connector Locking Method: EXTERNALLY THREADED SHELL
  • Shell Surface Treatment: SILVER
  • Precious Material and Location: CONTACT SURFACES GOLD AND SHELL SURFACE SILVER
  • Radio Frequency Type Contact Characteristic Impedance in Ohms: 50.0 SINGLE MATING END SINGLE CONTACT GROUPING
  • Included Contact Quantity: 1 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 5935-00-805-2537, 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 Te Connectivity Corporation Dba Microdot Products. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-805-2537
Primary Part Number31-73
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation Dba Microdot Products
StatusCANCELLED
Shell MaterialCOPPER ALLOY
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodEXTERNALLY THREADED SHELL
Shell Surface TreatmentSILVER
Precious Material and LocationCONTACT SURFACES GOLD AND SHELL SURFACE SILVER
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNEF
Precious MaterialGOLD AND SILVER
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.250 INCHES IN
Terminal TypePIN SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Precious Material and Weight0.005 GOLD GRAINS, TROY AND 0.100 SILVER GRAINS, TROY
Insert MaterialPLASTIC TETRAFLUOROETHYLENE SINGLE MATING END
Thread Quantity Per Inch32
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Center to Center Distance Between Mounting Facilities Parallel to Height0.200 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.040 INCHES NOMINAL IN
Thread Class2A A
Thread DirectionRIGHT-HAND
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.200 INCHES NOMINAL IN
Mating End Quantity1
Threaded Device TypeCOUPLING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5310-00-070-66723173 INTERCHANGEABLE
Washer,recessed
Roller Bearing Co of America, Inc Div Pic Design
6510-00-105-5807 INTERCHANGEABLE
Bandage,elastic
5945-00-257-8842 INTERCHANGEABLE
Relay,electromagnetic
3940-00-263-30793173 INTERCHANGEABLE
Adapter,hoisting
Allison Transmission Inc Dba Allison Transmission, Inc
2520-00-773-5470 INTERCHANGEABLE
Cover
5977-00-906-4048 INTERCHANGEABLE
Holder,electrical Contact Brush
5815-00-975-9732 INTERCHANGEABLE
Holder
5365-01-166-25933173 INTERCHANGEABLE
Plug,machine Thread
DP Manufacturing Inc.
5330-01-275-59423173 INTERCHANGEABLE
Seal,plain
Federal-Mogul Corp Government Sales Dept
5985-01-371-78893173 INTERCHANGEABLE
Coupler,antenna
Tech Resources, Inc
Cross-Reference Index
Part NumberManufacturer
31-73 PRIMARY Te Connectivity Corporation Dba Microdot Products (USA)
Related Parts
5310-00-070-6672INTERCHANGEABLE
WASHER,RECESSED
3173
6510-00-105-5807INTERCHANGEABLE
BANDAGE,ELASTIC
5945-00-257-8842INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
3940-00-263-3079INTERCHANGEABLE
ADAPTER,HOISTING
3173
2520-00-773-5470INTERCHANGEABLE
COVER
5977-00-906-4048INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
5815-00-975-9732INTERCHANGEABLE
HOLDER
5365-01-166-2593INTERCHANGEABLE
PLUG,MACHINE THREAD
3173
5330-01-275-5942INTERCHANGEABLE
SEAL,PLAIN
3173
5985-01-371-7889INTERCHANGEABLE
COUPLER,ANTENNA
3173
5940-01-562-6855INTERCHANGEABLE
HEATSINK ASSEMBLY
CA-3173R5

Frequently Asked Questions

What is NSN 5935-00-805-2537?

NSN 5935-00-805-2537 is a Connector,receptacle,electrical, manufactured by Te Connectivity Corporation Dba Microdot Products, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-805-2537?

NSN 5935-00-805-2537 has 1 cross-referenced part number: 31-73 (Te Connectivity Corporation Dba Microdot Products).

What NSN replaces 5935-00-805-2537?

There are 11 known substitutes for 5935-00-805-2537: 5310-00-070-6672, 6510-00-105-5807, 5945-00-257-8842 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-73?

Key specifications for 31-73: Overall Width: 0.328 INCHES NOMINAL IN; Shell Material: COPPER ALLOY; Included Contact Type: COAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING; Connector Locking Method: EXTERNALLY THREADED SHELL. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-805-2537 still in active supply?

NSN 5935-00-805-2537 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.
PartsTable Design LLC · partstable.com