PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61-101Transformer,radio Frequency

Smart Machines, Inc. Dba Barker and Williamson · NSN 5950-00-221-5767 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-221-5767 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-221-5767. Primary manufacturer part number: 61-101.
Features
  • Transformer,radio Frequency — FSC 5950
  • Frequency Rating: 5.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Terminal Type and Quantity: 4 WIRE LEAD
  • Distance Between Mounting Facility Centers: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Transformer Function: INTERSTAGE
  • Body Length: 1.875 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-221-5767, 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 Smart Machines, Inc. Dba Barker and Williamson. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-221-5767
Primary Part Number61-101
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSmart Machines, Inc. Dba Barker and Williamson
StatusCANCELLED
Frequency Rating5.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Terminal Type and Quantity4 WIRE LEAD
Distance Between Mounting Facility Centers1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Transformer FunctionINTERSTAGE
Body Length1.875 INCHES NOMINAL IN
Mounting Facility Quantity2 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Body Width1.438 INCHES NOMINAL IN
Thread Quantity Per Inch32 SINGLE GROUP
Body Height4.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5970-00-117-5388 INTERCHANGEABLE
Insulator,standoff
5330-00-154-8273 INTERCHANGEABLE
Seal,plain Encased
5950-00-234-6987 INTERCHANGEABLE
Transformer,power Autotransforme
4730-00-495-0144192053 INTERCHANGEABLE
Nipple,pipe
Jenny Products, Inc
5365-00-576-3548S1610-23181-2 INTERCHANGEABLE
Shim
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
3433-00-786-17361-101 SIZE 6 INTERCHANGEABLE
Tip,cutting Torch
Uniweld Products, Inc. Dba Uniweld Products Inc
5330-01-067-961111198LUP INTERCHANGEABLE
Seal,plain
Manville Rubber Products Inc
6520-01-132-794861101 INTERCHANGEABLE
Wedge,dental
Premier Dental Products Company
2510-01-219-2265 INTERCHANGEABLE
Window,vehicular
4320-01-386-66212411-51 INTERCHANGEABLE
Pump,reciprocating
King Engineering Corporation Dba King-Gage Systems
Cross-Reference Index
Part NumberManufacturer
61-101 Smart Machines, Inc. Dba Barker and Williamson (USA)
61-101 Barker & Williamson (USA)
241151 Sherjor Inc (USA)
1585T107 Link Communications Inc (USA)
Related Parts
5970-00-117-5388INTERCHANGEABLE
INSULATOR,STANDOFF
5330-00-154-8273INTERCHANGEABLE
SEAL,PLAIN ENCASED
5950-00-234-6987INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
4730-00-495-0144INTERCHANGEABLE
NIPPLE,PIPE
192053
5365-00-576-3548INTERCHANGEABLE
SHIM
S1610-23181-2
3433-00-786-1736INTERCHANGEABLE
TIP,CUTTING TORCH
1-101 SIZE 6
5330-01-067-9611INTERCHANGEABLE
SEAL,PLAIN
11198LUP
6520-01-132-7948INTERCHANGEABLE
WEDGE,DENTAL
61101
2510-01-219-2265INTERCHANGEABLE
WINDOW,VEHICULAR
4320-01-386-6621INTERCHANGEABLE
PUMP,RECIPROCATING
2411-51
6515-01-576-9262INTERCHANGEABLE
BONE PLATE
241.151

Frequently Asked Questions

What is NSN 5950-00-221-5767?

NSN 5950-00-221-5767 is a Transformer,radio Frequency, manufactured by Smart Machines, Inc. Dba Barker and Williamson, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-221-5767?

NSN 5950-00-221-5767 has 4 cross-referenced part numbers: 61-101 (Smart Machines, Inc. Dba Barker and Williamson), 61-101 (Barker & Williamson), 241151 (Sherjor Inc), 1585T107 (Link Communications Inc).

What NSN replaces 5950-00-221-5767?

There are 11 known substitutes for 5950-00-221-5767: 5970-00-117-5388, 5330-00-154-8273, 5950-00-234-6987 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 61-101?

Key specifications for 61-101: Frequency Rating: 5.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Terminal Type and Quantity: 4 WIRE LEAD. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-221-5767 still in active supply?

NSN 5950-00-221-5767 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.
PartsTable Design LLC · partstable.com