PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16991TTransformer,pulse

Emerson Electric Co White-Rodgers Div · NSN 5950-00-255-3500 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-255-3500 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-255-3500. Primary manufacturer part number: 16991T.
Features
  • Transformer,pulse — FSC 5950
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Body Length: 1.500 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Body Height: 2.250 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,pulse, cataloged under National Stock Number 5950-00-255-3500, 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 Emerson Electric Co White-Rodgers Div. Government technical data includes 15 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-255-3500
Primary Part Number16991T
Item NameTransformer,pulse
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerEmerson Electric Co White-Rodgers Div
StatusACTIVE
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length1.500 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Body Height2.250 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Terminal Type and Quantity6 BINDING POST
Inductance Rating12.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Pulse Repetition Rate4.0 KILOHERTZ SINGLE COMPONENT
Body Width1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2640-00-052-0869 INTERCHANGEABLE
Valve,pneumatic Tire
4330-00-245-810819523 INTERCHANGEABLE
Filter,fluid
Arvinmeritor Inc
2810-00-331-6749 INTERCHANGEABLE
Rocker Assy,inlet V
6145-00-635-1187UL62SJ3BCK3/18EPCPE INTERCHANGEABLE
Cable,power,electrical
Underwriters Laboratories Inc
6240-01-475-540048923 INTERCHANGEABLE
Lamp,fluorescent
Technical Consumer Products, Inc.
Cross-Reference Index
Part NumberManufacturer
16991T Emerson Electric Co White-Rodgers Div (USA)
19523 Freed Transformer Co (USA)
89G1414 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
TR1179 Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
2640-00-052-0869INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
4330-00-245-8108INTERCHANGEABLE
FILTER,FLUID
19523
2810-00-331-6749INTERCHANGEABLE
ROCKER ASSY,INLET V
6145-00-635-1187INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
UL62SJ3BCK3/18EPCPE
6240-01-475-5400INTERCHANGEABLE
LAMP,FLUORESCENT
48923

Frequently Asked Questions

What is NSN 5950-00-255-3500?

NSN 5950-00-255-3500 is a Transformer,pulse, manufactured by Emerson Electric Co White-Rodgers Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-255-3500?

NSN 5950-00-255-3500 has 4 cross-referenced part numbers: 16991T (Emerson Electric Co White-Rodgers Div), 19523 (Freed Transformer Co), 89G1414 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), TR1179 (Bae Systems Information and Electronic Systems Integration Inc.).

What NSN replaces 5950-00-255-3500?

There are 5 known substitutes for 5950-00-255-3500: 2640-00-052-0869, 4330-00-245-8108, 2810-00-331-6749 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16991T?

Key specifications for 16991T: Overall Height: 2.312 INCHES NOMINAL IN; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN; Mounting Method: THREADED STUD(S) SINGLE GROUP; Body Length: 1.500 INCHES NOMINAL IN. 16 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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