PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-104Connector,receptacle,electrical

Amphenol Corporation Div Amphenol Rf · NSN 5935-00-257-7312 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-257-7312 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-257-7312. Primary manufacturer part number: 31-104.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Precious Material: SILVER
  • Center to Center Distance Between Mounting Facilities Parallel to Height: 0.531 INCHES NOMINAL IN
  • Included Contact Type: COAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Position Arrangement Style: BNC SINGLE MATING END
  • Contact Surface Treatment: SILVER SINGLE MATING END SINGLE CONTACT GROUPING
  • Precious Material and Location: CONTACT AND SHELL SURFACES SILVER
  • Contact Removability: NONREMOVABLE 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 5935-00-257-7312, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, 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
NSN5935-00-257-7312
Primary Part Number31-104
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerAmphenol Corporation Div Amphenol Rf
StatusCANCELLED
Precious MaterialSILVER
Center to Center Distance Between Mounting Facilities Parallel to Height0.531 INCHES NOMINAL IN
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement StyleBNC SINGLE MATING END
Contact Surface TreatmentSILVER SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and LocationCONTACT AND SHELL SURFACES SILVER
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodBAYONET LATCH
Shell TypeSOLID
Precious Material and Weight0.101 SILVER GRAINS, TROY
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialPLASTIC POLYSTYRENE SINGLE MATING END
Shell Surface TreatmentSILVER
Shell MaterialCOPPER ALLOY
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Mating End Quantity1
Distance From Mounting Shoulder to Front Face0.308 INCHES NOMINAL IN
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum Frequency Rating10000.0 MEGAHERTZ SINGLE MATING END SINGLE CONTACT GROUPING
Unthreaded Mounting Hole Diameter0.140 INCHES NOMINAL IN
Bushing Diameter0.348 INCHES NOMINAL IN
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.531 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
9540-00-234-0623 INTERCHANGEABLE
Beam,structural
5136-00-239-27733506 INTERCHANGEABLE
Die,thread Cutting
Stanley Tools Div of Stanley Works
5340-00-247-052931104 INTERCHANGEABLE
Buckle
Danfoss Power Solutions II, Llc
5940-00-249-685812Z7000-1 INTERCHANGEABLE
Terminal,lug
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4030-00-285-9951 INTERCHANGEABLE
Hook,slip
5133-00-839-543331104 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
5330-00-868-258431104 INTERCHANGEABLE
Gasket,spiral Wound
Flowserve Inc
3020-01-414-040131104 INTERCHANGEABLE
Gear,spur
Belfort Instrument Company
6640-01-528-25853110-4 INTERCHANGEABLE
Maintenance Bath in
Hart Scientific Llc
6515-01-656-835331104 INTERCHANGEABLE
Cannula,cardiovascular
Medtronic Inc Dlp Div
Cross-Reference Index
Part NumberManufacturer
31-104 Amphenol Corporation Div Amphenol Rf (USA)
KC-71-08 Winchester Interconnect Corporation (USA)
357-9105-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
31-104 Amphenol Cadre Div Bunker Ramo Corp (USA)
RF-0157 Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector (USA)
Related Parts
9540-00-234-0623INTERCHANGEABLE
BEAM,STRUCTURAL
5136-00-239-2773INTERCHANGEABLE
DIE,THREAD CUTTING
3506
5340-00-247-0529INTERCHANGEABLE
BUCKLE
31104
5940-00-249-6858INTERCHANGEABLE
TERMINAL,LUG
12Z7000-1
4030-00-285-9951INTERCHANGEABLE
HOOK,SLIP
5133-00-839-5433INTERCHANGEABLE
DRILL,TWIST
31104
5330-00-868-2584INTERCHANGEABLE
GASKET,SPIRAL WOUND
31104
3020-01-414-0401INTERCHANGEABLE
GEAR,SPUR
31104
6640-01-528-2585INTERCHANGEABLE
MAINTENANCE BATH IN
3110-4
6515-01-656-8353INTERCHANGEABLE
CANNULA,CARDIOVASCULAR
31104
5305-01-701-3241INTERCHANGEABLE
THUMBSCREW
31104

Frequently Asked Questions

What is NSN 5935-00-257-7312?

NSN 5935-00-257-7312 is a Connector,receptacle,electrical, manufactured by Amphenol Corporation Div Amphenol Rf, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-257-7312?

NSN 5935-00-257-7312 has 5 cross-referenced part numbers: 31-104 (Amphenol Corporation Div Amphenol Rf), KC-71-08 (Winchester Interconnect Corporation), 357-9105-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 31-104 (Amphenol Cadre Div Bunker Ramo Corp), RF-0157 (Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector).

What NSN replaces 5935-00-257-7312?

There are 11 known substitutes for 5935-00-257-7312: 9540-00-234-0623, 5136-00-239-2773, 5340-00-247-0529 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-104?

Key specifications for 31-104: Precious Material: SILVER; Overall Height: 0.750 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Height: 0.531 INCHES NOMINAL IN; Included Contact Type: COAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-257-7312 still in active supply?

NSN 5935-00-257-7312 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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