PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1977Transformer,current

Pearson Electronics Inc · NSN 5950-01-319-9119 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-319-9119 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-319-9119. Primary manufacturer part number: 1977.
Features
  • Transformer,current — FSC 5950
  • Maximum Operating Temp: 65.0 CELSIUS DEGC
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Maximum Transformer Power Rating: 100.0 KILOVOLT-AMPERE SINGLE COMPONENT
  • Winding Operating Current: 5000.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,current, cataloged under National Stock Number 5950-01-319-9119, 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 Pearson Electronics Inc. Government technical data includes 17 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
NSN5950-01-319-9119
Primary Part Number1977
Item NameTransformer,current
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPearson Electronics Inc
StatusACTIVE
Maximum Operating Temp65.0 CELSIUS DEGC
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Maximum Transformer Power Rating100.0 KILOVOLT-AMPERE SINGLE COMPONENT
Winding Operating Current5000.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage353.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity1 SECONDARY SINGLE COMPONENT
Frequency Rating20.0 MEGAHERTZ NOMINAL SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage50.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type and Quantity1 CONNECTOR, PLUG
Specification/standard Data05869-732569-3 MANUFACTURERS SOURCE CONTROL
Distance Between Mounting Facility Centers1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-005-0464 INTERCHANGEABLE
Bushing,sleeve
4310-00-174-02901977 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
4730-00-279-0364 INTERCHANGEABLE
Fitting,lubrication
3120-00-353-05901977 INTERCHANGEABLE
Bushing,sleeve
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
6240-00-433-27071977 INTERCHANGEABLE
Lamp,incandescent
Micro Lamps Inc.
5360-00-664-3628 INTERCHANGEABLE
Spring,helical,compression
6680-00-798-29301977-4 INTERCHANGEABLE
Diaphragm Assembly,top
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
5330-01-010-9695197-7 INTERCHANGEABLE
Seal
The Specialty Mfg. Co Dba Specialty Mfg. Co
7450-01-051-5998 INTERCHANGEABLE
Reproducer,sound
5330-01-102-4681132-0369 INTERCHANGEABLE
Seal,plain
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
732569-3 Raytheon Company Div Rmd Strategic (USA)
1977 PRIMARY Pearson Electronics Inc (USA)
Related Parts
3120-00-005-0464INTERCHANGEABLE
BUSHING,SLEEVE
4310-00-174-0290INTERCHANGEABLE
RING,PISTON
1977
4730-00-279-0364INTERCHANGEABLE
FITTING,LUBRICATION
3120-00-353-0590INTERCHANGEABLE
BUSHING,SLEEVE
1977
6240-00-433-2707INTERCHANGEABLE
LAMP,INCANDESCENT
1977
5360-00-664-3628INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6680-00-798-2930INTERCHANGEABLE
DIAPHRAGM ASSEMBLY,TOP
1977-4
5330-01-010-9695INTERCHANGEABLE
SEAL
197-7
7450-01-051-5998INTERCHANGEABLE
REPRODUCER,SOUND
5330-01-102-4681INTERCHANGEABLE
SEAL,PLAIN
132-0369
6625-01-164-8371INTERCHANGEABLE
AMMETER
5945-01-245-1970INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1977

Frequently Asked Questions

What is NSN 5950-01-319-9119?

NSN 5950-01-319-9119 is a Transformer,current, manufactured by Pearson Electronics Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-319-9119?

NSN 5950-01-319-9119 has 2 cross-referenced part numbers: 732569-3 (Raytheon Company Div Rmd Strategic), 1977 (Pearson Electronics Inc).

What NSN replaces 5950-01-319-9119?

There are 12 known substitutes for 5950-01-319-9119: 3120-00-005-0464, 4310-00-174-0290, 4730-00-279-0364 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1977?

Key specifications for 1977: Maximum Operating Temp: 65.0 CELSIUS DEGC; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Reliability Indicator: NOT ESTABLISHED; Overall Height: 2.780 INCHES MINIMUM AND 2.840 INCHES MAXIMUM IN. 21 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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