PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2261Transformer,current

Standard Industries · NSN 5950-01-233-2498 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-233-2498 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-233-2498. Primary manufacturer part number: 2261.
Features
  • Transformer,current — FSC 5950
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Mounting Facility Quantity: 1 SINGLE GROUP
  • Winding Operating Voltage: 6.70 AC VOLTS MINIMUM AND 7.10 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Mounting Hole Diameter: 0.470 INCHES NOMINAL SINGLE GROUP IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Overall Diameter: 1.000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,current, cataloged under National Stock Number 5950-01-233-2498, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Standard Industries. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-233-2498
Primary Part Number2261
Item NameTransformer,current
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerStandard Industries
StatusACTIVE
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity1 SINGLE GROUP
Winding Operating Voltage6.70 AC VOLTS MINIMUM AND 7.10 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE WINDING
Mounting Hole Diameter0.470 INCHES NOMINAL SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Overall Diameter1.000 INCHES NOMINAL IN
Terminal Type and Quantity2 TURRET
Inclosure TypeFULLY INCLOSED
Winding Operating Current7.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-069-90492261 INTERCHANGEABLE
Seat,valve
Imi Cash Valve Inc
6685-00-174-62392261-08000QF INTERCHANGEABLE
Thermometer,self-Indicating,bime
Control Specialties Inc
4920-00-257-50952261 INTERCHANGEABLE
Accessory Kit,test Set
Bae Systems Information and Electronic Systems Integration Inc.
9390-00-290-4021 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
6685-00-521-0656PH660U INTERCHANGEABLE
Thermometer,self-Indicating,bime
Joint Electronics Type Designation System
6685-00-663-80936-01276 INTERCHANGEABLE
Thermometer,self-Indicating,bime
Sigma Products & Mfg
4920-00-708-30242261 INTERCHANGEABLE
Cable Assy
Marvel Manufacturing Co Div the Marvel Manufacturing Company
6685-00-764-4248 INTERCHANGEABLE
Thermometer,self-Indicating,bime
5985-00-975-4038RLA150-NF INTERCHANGEABLE
Adapter,waveguide
Andrew Llc
6685-00-979-8961 INTERCHANGEABLE
Thermometer,self-Indicating,bime
Cross-Reference Index
Part NumberManufacturer
446-0854-001 The Boeing Company Div Legacy Boeing Hb1 (USA)
2261 PRIMARY Standard Industries (USA)
Related Parts
4820-00-069-9049INTERCHANGEABLE
SEAT,VALVE
2261
6685-00-174-6239INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
2261-08000QF
4920-00-257-5095INTERCHANGEABLE
ACCESSORY KIT,TEST SET
2261
9390-00-290-4021INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
6685-00-521-0656INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
PH660U
6685-00-663-8093INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
6-01276
4920-00-708-3024INTERCHANGEABLE
CABLE ASSY
2261
6685-00-764-4248INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
5985-00-975-4038INTERCHANGEABLE
ADAPTER,WAVEGUIDE
RLA150-NF
6685-00-979-8961INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
5331-00-999-8565INTERCHANGEABLE
O-RING
2-261S604-70
5331-01-106-7286INTERCHANGEABLE
O-RING
MS28775-261

Frequently Asked Questions

What is NSN 5950-01-233-2498?

NSN 5950-01-233-2498 is a Transformer,current, manufactured by Standard Industries, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-233-2498?

NSN 5950-01-233-2498 has 2 cross-referenced part numbers: 446-0854-001 (The Boeing Company Div Legacy Boeing Hb1), 2261 (Standard Industries).

What NSN replaces 5950-01-233-2498?

There are 12 known substitutes for 5950-01-233-2498: 4820-00-069-9049, 6685-00-174-6239, 4920-00-257-5095 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2261?

Key specifications for 2261: Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Mounting Facility Quantity: 1 SINGLE GROUP; Winding Operating Voltage: 6.70 AC VOLTS MINIMUM AND 7.10 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE WINDING; Mounting Hole Diameter: 0.470 INCHES NOMINAL SINGLE GROUP IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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