PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125-1-2Connector,plug,electrical

Winchester Interconnect Corporation · NSN 5935-00-430-6321 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-430-6321 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-430-6321. Primary manufacturer part number: 125-1-2.
Features
  • Connector,plug,electrical — FSC 5935
  • Thread Class: 2B
  • Environmental Protection: MOISTURE RESISTANT AND VIBRATION RESISTANT AND SALT WATER RESISTANT
  • Mating End Quantity: 1
  • Precious Material and Weight: 0.005 GOLD GRAINS, TROY
  • Connector Cable Strain Relief Method: COMPRESSION NUT
  • Thread Series Designator: UNEF
  • Precious Material: GOLD
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,plug,electrical, cataloged under National Stock Number 5935-00-430-6321, 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 Winchester Interconnect Corporation. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-430-6321
Primary Part Number125-1-2
Item NameConnector,plug,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerWinchester Interconnect Corporation
StatusCANCELLED
Thread Class2B
Environmental ProtectionMOISTURE RESISTANT AND VIBRATION RESISTANT AND SALT WATER RESISTANT
Mating End Quantity1
Precious Material and Weight0.005 GOLD GRAINS, TROY
Connector Cable Strain Relief MethodCOMPRESSION NUT
Thread Series DesignatorUNEF
Precious MaterialGOLD
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Specification/standard Data55827-G1-22-9002 MANUFACTURERS SPECIFICATION CONTROL
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum AC Voltage Rating in Volts500.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and LocationCONTACT SURFACE GOLD
Contact Position Arrangement StyleTNC SINGLE MATING END
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Shell MaterialCOPPER ALLOY
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodINTERNALLY THREADED COUPLING RING
Nominal Thread Size0.438 INCHES IN
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Polarization MethodCONTACT TO CONTACT POLARIZING KEYS
Shell TypeSOLID
Body StyleSTRAIGHT SHAPE, INTERNAL COUPLING
Overall Diameter0.588 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Threaded Device TypeCOUPLING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-144-86690210591 INTERCHANGEABLE
Bearing,ball,annular
Agco Corp Parts Opn
5950-00-189-30981M130-1 INTERCHANGEABLE
Reactor
Northrop Grumman Corp Electronic Systems Defensive System Div
5930-00-296-9258B3221-16 INTERCHANGEABLE
Switch,thermostatic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5930-00-359-3969 INTERCHANGEABLE
Switch,thermostatic
5950-00-390-567112512 INTERCHANGEABLE
Reactor
Stanford Applied Engineering Inc
5930-00-549-0358 INTERCHANGEABLE
Switch,thermostatic
5355-00-668-5791125-1-2 INTERCHANGEABLE
Knob
Raytheon Company Dba Raytheon Co
5325-00-679-8117SS250 INTERCHANGEABLE
Ring,retaining
Timken Aerospace, Inc Dba Torrington Product
5340-00-682-1935125 1-2 INTERCHANGEABLE
Snap Hook
Eastern Co Div Eberhard Manufacturing
4320-00-917-6506 INTERCHANGEABLE
Piston,pump
Cross-Reference Index
Part NumberManufacturer
10135462 Nimikkeistokeskus Ncb Finland (FIN)
6408600-2 Honeywell Intl Inc Defense Avionics Systems (USA)
G1-22-9002-2 Astronics Dme Llc Dba Astronics Dme (USA)
125-1-2 PRIMARY Winchester Interconnect Corporation (USA)
1203-034-A00E-2 Delta Electronics Manufacturing Corp Div Delta Electronics Mfg. Corp. (USA)
27164B Itt Cannon Llc (USA)
31-3228-2 Amphenol Corporation Div Amphenol Rf (USA)
27164B Itt Cannon Electric Phoenix Div (USA)
ST5M1348TS2B The Boeing Company Div Defense (USA)
1203034A00E-002 Delta Electronics Manufacturing Corp Div Delta Electronics Mfg. Corp. (USA)
31-3228-1002 Amphenol Corporation Div Amphenol Rf (USA)
Related Parts
3110-00-144-8669INTERCHANGEABLE
BEARING,BALL,ANNULAR
0210591
5950-00-189-3098INTERCHANGEABLE
REACTOR
1M130-1
5930-00-296-9258INTERCHANGEABLE
SWITCH,THERMOSTATIC
B3221-16
5930-00-359-3969INTERCHANGEABLE
SWITCH,THERMOSTATIC
5950-00-390-5671INTERCHANGEABLE
REACTOR
12512
5930-00-549-0358INTERCHANGEABLE
SWITCH,THERMOSTATIC
5355-00-668-5791INTERCHANGEABLE
KNOB
125-1-2
5325-00-679-8117INTERCHANGEABLE
RING,RETAINING
SS250
5340-00-682-1935INTERCHANGEABLE
SNAP HOOK
125 1-2
4320-00-917-6506INTERCHANGEABLE
PISTON,PUMP
5330-01-042-2814INTERCHANGEABLE
SEAL,PLAIN ENCASED
13676
6515-01-105-4644INTERCHANGEABLE
BONE PLATE

Frequently Asked Questions

What is NSN 5935-00-430-6321?

NSN 5935-00-430-6321 is a Connector,plug,electrical, manufactured by Winchester Interconnect Corporation, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-430-6321?

NSN 5935-00-430-6321 has 11 cross-referenced part numbers: 10135462 (Nimikkeistokeskus Ncb Finland), 6408600-2 (Honeywell Intl Inc Defense Avionics Systems), G1-22-9002-2 (Astronics Dme Llc Dba Astronics Dme), 125-1-2 (Winchester Interconnect Corporation), 1203-034-A00E-2 (Delta Electronics Manufacturing Corp Div Delta Electronics Mfg. Corp.) and 6 more.

What NSN replaces 5935-00-430-6321?

There are 12 known substitutes for 5935-00-430-6321: 3110-00-144-8669, 5950-00-189-3098, 5930-00-296-9258 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 125-1-2?

Key specifications for 125-1-2: Thread Class: 2B; Environmental Protection: MOISTURE RESISTANT AND VIBRATION RESISTANT AND SALT WATER RESISTANT; Mating End Quantity: 1; Precious Material and Weight: 0.005 GOLD GRAINS, TROY. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-430-6321 still in active supply?

NSN 5935-00-430-6321 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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