PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

990-049-90Transformer,current

Ametek Programmable Power, Inc. · NSN 5950-00-477-1292 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-477-1292 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-477-1292. Primary manufacturer part number: 990-049-90.
Features
  • Transformer,current — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.880 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: FLANGE AND SLOT SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Terminal Type and Quantity: 6 WIRE LEAD
  • Body Length: 2.620 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 5950-00-477-1292, 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 Ametek Programmable Power, Inc.. Government technical data includes 14 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
NSN5950-00-477-1292
Primary Part Number990-049-90
Item NameTransformer,current
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAmetek Programmable Power, Inc.
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.880 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Terminal Type and Quantity6 WIRE LEAD
Body Length2.620 INCHES NOMINAL IN
Body Width2.380 INCHES NOMINAL IN
Inclosure TypePARTIALLY INCLOSED, HALF SHELL
Body Height2.500 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.190 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Installation for Which DesignedINDOOR PORTABLE
Mounting Slot Width0.190 INCHES NOMINAL SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-191-5075 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5940-00-251-909010-414-1-01 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5999-00-578-4853 INTERCHANGEABLE
Contact,electrical
6680-00-696-3818 INTERCHANGEABLE
Tachometer,mechanical,fixed Moun
5930-00-864-88461019-1 INTERCHANGEABLE
Switch,pressure
Hydra-Electric Company Dba Hydra-Electric Co
5935-00-909-6307 INTERCHANGEABLE
Connector,electrica
3040-01-057-6449N10191 INTERCHANGEABLE
Lever,remote Control
Leslie Controls, Inc. Dba Leslie Controls Inc
5330-01-077-6028 INTERCHANGEABLE
Seal,over Pressure
3110-01-122-84734915057 INTERCHANGEABLE
Bearing,ball,annular
Kalmar AC Inc
6625-01-183-5340G134364-1 INTERCHANGEABLE
Absorber,radio Frequency Radiati
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
990-049-90 PRIMARY Ametek Programmable Power, Inc. (USA)
10191 C-Cor Electronics Inc (USA)
Related Parts
5905-00-191-5075INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5940-00-251-9090INTERCHANGEABLE
TERMINAL,STUD
10-414-1-01
5999-00-578-4853INTERCHANGEABLE
CONTACT,ELECTRICAL
6680-00-696-3818INTERCHANGEABLE
TACHOMETER,MECHANICAL,FIXED MOUN
5930-00-864-8846INTERCHANGEABLE
SWITCH,PRESSURE
1019-1
5935-00-909-6307INTERCHANGEABLE
CONNECTOR,ELECTRICA
3040-01-057-6449INTERCHANGEABLE
LEVER,REMOTE CONTROL
N10191
5330-01-077-6028INTERCHANGEABLE
SEAL,OVER PRESSURE
3110-01-122-8473INTERCHANGEABLE
BEARING,BALL,ANNULAR
4915057
6625-01-183-5340INTERCHANGEABLE
ABSORBER,RADIO FREQUENCY RADIATI
G134364-1
6520-01-353-1727INTERCHANGEABLE
FILE,PULP CANAL,DENTAL
10191
5330-01-464-7044INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
10191

Frequently Asked Questions

What is NSN 5950-00-477-1292?

NSN 5950-00-477-1292 is a Transformer,current, manufactured by Ametek Programmable Power, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-477-1292?

NSN 5950-00-477-1292 has 2 cross-referenced part numbers: 990-049-90 (Ametek Programmable Power, Inc.), 10191 (C-Cor Electronics Inc).

What NSN replaces 5950-00-477-1292?

There are 12 known substitutes for 5950-00-477-1292: 5905-00-191-5075, 5940-00-251-9090, 5999-00-578-4853 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 990-049-90?

Key specifications for 990-049-90: Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.880 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: FLANGE AND SLOT SINGLE GROUP; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 14 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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