PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4950780-1Transformer,power

Rtx Corporation Div Pratt & Whitney · NSN 5950-01-544-8990 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-544-8990 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-544-8990. Primary manufacturer part number: 4950780-1.
Features
  • Transformer,power — FSC 5950
  • Criticality Code Justification: AGAV
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: FULLY INCLOSED
  • 2 verified cross-references
  • Primary manufacturer: Rtx Corporation Div Pratt & Whitney
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-544-8990, 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 Rtx Corporation Div Pratt & Whitney. Government technical data includes 3 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-544-8990
Primary Part Number4950780-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRtx Corporation Div Pratt & Whitney
StatusACTIVE
Criticality Code JustificationAGAV
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5940-00-109-259710238 INTERCHANGEABLE
Terminal Board
Cae Usa Inc.
5120-00-189-7917 INTERCHANGEABLE
Socket,socket Wrench
5340-00-264-020412140 INTERCHANGEABLE
Cup,compression
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
3610-00-461-398312140 INTERCHANGEABLE
Roll Form
Chicago Manifold Products Inc
2520-00-788-5536871280R92 INTERCHANGEABLE
Spider,universal Joint,vehicular
Navistar Intl Corp Truck Br Ohio Plant
5133-00-833-463610040 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
5940-00-983-6053 INTERCHANGEABLE
Terminal Board
3455-01-216-785012140 INTERCHANGEABLE
Trepanning Tool,machine
Hougen Manufacturing, Inc
5935-01-494-5233 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
12140 Pico Electronics Inc (USA)
4950780-1 PRIMARY Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
5940-00-109-2597INTERCHANGEABLE
TERMINAL BOARD
10238
5120-00-189-7917INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5340-00-264-0204INTERCHANGEABLE
CUP,COMPRESSION
12140
3610-00-461-3983INTERCHANGEABLE
ROLL FORM
12140
2520-00-788-5536INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
871280R92
5133-00-833-4636INTERCHANGEABLE
DRILL,TWIST
10040
5940-00-983-6053INTERCHANGEABLE
TERMINAL BOARD
3455-01-216-7850INTERCHANGEABLE
TREPANNING TOOL,MACHINE
12140
5935-01-494-5233INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL

Frequently Asked Questions

What is NSN 5950-01-544-8990?

NSN 5950-01-544-8990 is a Transformer,power, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-544-8990?

NSN 5950-01-544-8990 has 2 cross-referenced part numbers: 12140 (Pico Electronics Inc), 4950780-1 (Rtx Corporation Div Pratt & Whitney).

What NSN replaces 5950-01-544-8990?

There are 9 known substitutes for 5950-01-544-8990: 5940-00-109-2597, 5120-00-189-7917, 5340-00-264-0204 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4950780-1?

Key specifications for 4950780-1: Criticality Code Justification: AGAV; Reliability Indicator: NOT ESTABLISHED; Inclosure Type: FULLY INCLOSED; Part Name Assigned by Controlling Agency: INAVY-TRANSFORMER. 5 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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