PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MRE21PGConnector,receptacle,electrical

Winchester Interconnect Corporation · NSN 5935-00-173-6278 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-173-6278 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-173-6278. Primary manufacturer part number: MRE21PG.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Contact Maximum Current Rating in Amps: 7.5 SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Maximum AC Voltage Rating in Volts: 750.0 SINGLE MATING END SINGLE CONTACT GROUPING
  • Threaded Device Type: MOUNTING STUD
  • Polarization Method: GUIDE PIN/SOCKET
  • Thread Class: 2A A
  • Precious Material and Location: CONTACT SURFACES GOLD AND CONTACT SURFACES SILVER
  • Nominal Thread Size: 0.112 INCHES IN
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-173-6278, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 30 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-173-6278
Primary Part NumberMRE21PG
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerWinchester Interconnect Corporation
StatusCANCELLED
Contact Maximum Current Rating in Amps7.5 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum AC Voltage Rating in Volts750.0 SINGLE MATING END SINGLE CONTACT GROUPING
Threaded Device TypeMOUNTING STUD
Polarization MethodGUIDE PIN/SOCKET
Thread Class2A A
Precious Material and LocationCONTACT SURFACES GOLD AND CONTACT SURFACES SILVER
Nominal Thread Size0.112 INCHES IN
Mating End Quantity1
Precious Material and Weight0.021 GOLD GRAINS, TROY AND 0.021 SILVER GRAINS, TROY
Contact Maximum DC Voltage Rating in Volts1050.0 SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Body StyleSTRAIGHT SHAPE
Thread DirectionRIGHT-HAND
Distance Between Mounting Facility Centers0.932 INCHES MINIMUM AND 0.942 INCHES MAXIMUM IN
Contact Surface TreatmentGOLD AND SILVER SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
Precious MaterialGOLD AND SILVER
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement Style21 SINGLE MATING END
Included Contact Quantity21 SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialPLASTIC SINGLE MATING END
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
2520-00-080-63664045560 INTERCHANGEABLE
Torque Converter,vehicular
Funk Mfg Co Sub of Deere and Co
5935-00-201-8478MRE21PWMRE21H INTERCHANGEABLE
Connector,plug,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
2930-01-277-342531517 INTERCHANGEABLE
Cap,filler Opening
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
922052-2 Stellant Systems Inc (USA)
MRE21PNV Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
7489187P4 Lockheed Martin Corporation Div Rms (USA)
209-13-13-196-10 Cinch Connectivity Solutions Inc. (USA)
MRE21PG PRIMARY Winchester Interconnect Corporation (USA)
420-53-1781 Raytheon Company Dba Raytheon (USA)
BA98055 Gap Instrument Corp Gorn Div (USA)
922052-2 Raytheon Company Dba Raytheon (USA)
7489187P4 Mpd Components, Inc. (USA)
MRE21PNV246 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
372-1056-00 Cardwell Condenser Corp Lapointe-Admiral Div (USA)
185010-4102 Raytheon Company (USA)
372-1056-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
BA98055 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
MRE21P Transdigm Inc Div Adelwiggins Group (USA)
MRE21PG Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
GM21M-G Gap Instrument Corp Gorn Div (USA)
MRE21PK Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
BA98055 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation (USA)
54B17977 Cinch Connectivity Solutions Inc. (USA)
Related Parts
2520-00-080-6366INTERCHANGEABLE
TORQUE CONVERTER,VEHICULAR
4045560
5935-00-201-8478INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
MRE21PWMRE21H
2930-01-277-3425INTERCHANGEABLE
CAP,FILLER OPENING
31517

Frequently Asked Questions

What is NSN 5935-00-173-6278?

NSN 5935-00-173-6278 is a Connector,receptacle,electrical, manufactured by Winchester Interconnect Corporation, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-173-6278?

NSN 5935-00-173-6278 has 30 cross-referenced part numbers: 922052-2 (Stellant Systems Inc), MRE21PNV (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect), 7489187P4 (Lockheed Martin Corporation Div Rms), 209-13-13-196-10 (Cinch Connectivity Solutions Inc.), MRE21PG (Winchester Interconnect Corporation) and 25 more.

What NSN replaces 5935-00-173-6278?

There are 3 known substitutes for 5935-00-173-6278: 2520-00-080-6366, 5935-00-201-8478, 2930-01-277-3425. Verify interchangeability with system specifications before substitution.

What are the specifications of MRE21PG?

Key specifications for MRE21PG: Contact Maximum Current Rating in Amps: 7.5 SINGLE MATING END SINGLE CONTACT GROUPING; Contact Maximum AC Voltage Rating in Volts: 750.0 SINGLE MATING END SINGLE CONTACT GROUPING; Overall Length: 2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN; Overall Height: 0.830 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-173-6278 still in active supply?

NSN 5935-00-173-6278 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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