PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-218Adapter,connector

Amphenol Corporation Div Amphenol Rf · NSN 5935-00-665-6542 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-665-6542 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-665-6542. Primary manufacturer part number: 31-218.
Features
  • Adapter,connector — FSC 5935
  • Insert Material: PLASTIC ALL MATING ENDS
  • Contact Maximum AC Voltage Rating in Volts: 500.0 ALL MATING ENDS SINGLE CONTACT GROUPING
  • Contact Removability: NONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING
  • Shell Material: COPPER
  • Included Contact Type: COAXIAL PIN ALL MATING ENDS SINGLE CONTACT GROUPING
  • Environmental Protection: WATERTIGHT AND MOISTURE RESISTANT
  • Mating End Quantity: 2
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Adapter,connector, cataloged under National Stock Number 5935-00-665-6542, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN5935-00-665-6542
Primary Part Number31-218
Item NameAdapter,connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerAmphenol Corporation Div Amphenol Rf
StatusCANCELLED
Insert MaterialPLASTIC ALL MATING ENDS
Contact Maximum AC Voltage Rating in Volts500.0 ALL MATING ENDS SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING
Shell MaterialCOPPER
Included Contact TypeCOAXIAL PIN ALL MATING ENDS SINGLE CONTACT GROUPING
Environmental ProtectionWATERTIGHT AND MOISTURE RESISTANT
Mating End Quantity2
Shell Surface TreatmentANODIZE
Included Contact Quantity2 ALL MATING ENDS SINGLE CONTACT GROUPING
Connector Locking MethodBAYONET LATCH
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5136-00-189-3224402829 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
6105-00-243-68358812-5 INTERCHANGEABLE
Stator,motor
Hydro-Aire Aerospace Corp
5330-00-438-639388132 INTERCHANGEABLE
Gasket
Goodrich Corporation Dba Goodrich Corp
6105-01-088-5603801625-050 INTERCHANGEABLE
Motor,alternating Current
Reliance Electric Company Dba Reliance & Dodge Brands
4320-01-370-198488125 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Magnetic Seal Llc
6515-01-417-8304312.18 INTERCHANGEABLE
Guide,drill,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5120-01-430-6837166 INTERCHANGEABLE
Wrench,tap and Reamer
General Tools Manufacturing Co., Llc.
8105-01-615-65103-1218 INTERCHANGEABLE
Bag,plastic
Lightning Powder Company Inc
4730-01-727-546088125 INTERCHANGEABLE
Elbow,tube
Viega Llc
Cross-Reference Index
Part NumberManufacturer
31-218 Amphenol Corporation Div Amphenol Rf (USA)
MG491M Joint Electronics Type Designation System (USA)
MS35176-491BU Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35176UG491BM Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
88125 Amphenol Corporation Div Amphenol Rf (USA)
Related Parts
5136-00-189-3224INTERCHANGEABLE
DIE,THREAD CUTTING
402829
6105-00-243-6835INTERCHANGEABLE
STATOR,MOTOR
8812-5
5330-00-438-6393INTERCHANGEABLE
GASKET
88132
6105-01-088-5603INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
801625-050
4320-01-370-1984INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
88125
6515-01-417-8304INTERCHANGEABLE
GUIDE,DRILL,BONE
312.18
5120-01-430-6837INTERCHANGEABLE
WRENCH,TAP AND REAMER
166
8105-01-615-6510INTERCHANGEABLE
BAG,PLASTIC
3-1218
4730-01-727-5460INTERCHANGEABLE
ELBOW,TUBE
88125

Frequently Asked Questions

What is NSN 5935-00-665-6542?

NSN 5935-00-665-6542 is a Adapter,connector, manufactured by Amphenol Corporation Div Amphenol Rf, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-665-6542?

NSN 5935-00-665-6542 has 5 cross-referenced part numbers: 31-218 (Amphenol Corporation Div Amphenol Rf), MG491M (Joint Electronics Type Designation System), MS35176-491BU (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35176UG491BM (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 88125 (Amphenol Corporation Div Amphenol Rf).

What NSN replaces 5935-00-665-6542?

There are 9 known substitutes for 5935-00-665-6542: 5136-00-189-3224, 6105-00-243-6835, 5330-00-438-6393 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-218?

Key specifications for 31-218: Insert Material: PLASTIC ALL MATING ENDS; Contact Maximum AC Voltage Rating in Volts: 500.0 ALL MATING ENDS SINGLE CONTACT GROUPING; Contact Removability: NONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING; Shell Material: COPPER. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-665-6542 still in active supply?

NSN 5935-00-665-6542 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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