PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

220125Polarizing Key,electrical Connec

Bowmar Llc Dba Bowmar Instrument Corp · NSN 5935-00-262-5173 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-262-5173 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-262-5173. Primary manufacturer part number: 220125.
Features
  • Polarizing Key,electrical Connec — FSC 5935
  • Overall Diameter: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
  • Surface Treatment: NICKEL
  • Shape: PIN
  • Test Data Document: 81349-MIL-C-55302 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Specification/standard Data: 81349-MIL-C-55302/31 GOVERNMENT SPECIFICATION
  • Material: COPPER ALLOY
  • 7 verified cross-references
Applications
  • Applications requiring Copper Alloy construction
General Description

The Polarizing Key,electrical Connec, cataloged under National Stock Number 5935-00-262-5173, 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 Bowmar Llc Dba Bowmar Instrument Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN5935-00-262-5173
Primary Part Number220125
Item NamePolarizing Key,electrical Connec
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerBowmar Llc Dba Bowmar Instrument Corp
StatusCANCELLED
Overall Diameter0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Surface TreatmentNICKEL
ShapePIN
Test Data Document81349-MIL-C-55302 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Specification/standard Data81349-MIL-C-55302/31 GOVERNMENT SPECIFICATION
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2990-00-799-0819220125 INTERCHANGEABLE
Retainer,flybalance
Essex Industries, Inc. Dba Essex Industries
5935-01-011-9377 INTERCHANGEABLE
Polarizing Key,electrical Connec
5935-01-029-0959 INTERCHANGEABLE
Polarizing Key,electrical Connec
5935-01-060-9428530341-1 INTERCHANGEABLE
Guide,electrical Connector
Te Connectivity Corporation
5320-01-060-9429530347-1 INTERCHANGEABLE
Rivet,tubular
Te Connectivity Corporation
5935-01-123-4313 INTERCHANGEABLE
Guide,electrical Connector
5330-01-132-65333-905 NBR INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corp Div O-Ring Division
5320-01-254-4597 INTERCHANGEABLE
Rivet,tubular
5935-01-287-9334 INTERCHANGEABLE
Guide,electrical Connector
6665-01-288-5520 INTERCHANGEABLE
Regulator,two Stage
Cross-Reference Index
Part NumberManufacturer
220125 Bowmar Llc Dba Bowmar Instrument Corp (USA)
M55302/31-2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M55302/31-02 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-55302/31 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-55302/31 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS5302-31-02 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
583254-4 Te Connectivity Corporation (USA)
Related Parts
2990-00-799-0819INTERCHANGEABLE
RETAINER,FLYBALANCE
220125
5935-01-011-9377INTERCHANGEABLE
POLARIZING KEY,ELECTRICAL CONNEC
5935-01-029-0959INTERCHANGEABLE
POLARIZING KEY,ELECTRICAL CONNEC
5935-01-060-9428INTERCHANGEABLE
GUIDE,ELECTRICAL CONNECTOR
530341-1
5320-01-060-9429INTERCHANGEABLE
RIVET,TUBULAR
530347-1
5935-01-123-4313INTERCHANGEABLE
GUIDE,ELECTRICAL CONNECTOR
5330-01-132-6533INTERCHANGEABLE
PACKING,PREFORMED
3-905 NBR
5320-01-254-4597INTERCHANGEABLE
RIVET,TUBULAR
5935-01-287-9334INTERCHANGEABLE
GUIDE,ELECTRICAL CONNECTOR
6665-01-288-5520INTERCHANGEABLE
REGULATOR,TWO STAGE
5935-01-292-8221INTERCHANGEABLE
GUIDE,ELECTRICAL CONNECTOR
5935-01-315-9031INTERCHANGEABLE
GUIDE,ELECTRICAL CONNECTOR

Frequently Asked Questions

What is NSN 5935-00-262-5173?

NSN 5935-00-262-5173 is a Polarizing Key,electrical Connec, manufactured by Bowmar Llc Dba Bowmar Instrument Corp, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-262-5173?

NSN 5935-00-262-5173 has 7 cross-referenced part numbers: 220125 (Bowmar Llc Dba Bowmar Instrument Corp), M55302/31-2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M55302/31-02 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-55302/31 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-55302/31 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 5935-00-262-5173?

There are 12 known substitutes for 5935-00-262-5173: 2990-00-799-0819, 5935-01-011-9377, 5935-01-029-0959 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 220125?

Key specifications for 220125: Overall Diameter: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Surface Treatment: NICKEL; Overall Length: 0.250 INCHES NOMINAL IN; Shape: PIN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-262-5173 still in active supply?

NSN 5935-00-262-5173 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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