PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1800912-2Transformer,power

Northrop Grumman Systems Corporation · NSN 5950-00-909-7755 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-909-7755 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-909-7755. Primary manufacturer part number: 1800912-2.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: FULLY INCLOSED
  • Maximum Operating Temp: 130.0 CELSIUS DEGC
  • Winding Operating Voltage: 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Body Length: 8.100 INCHES MAXIMUM IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Transformer Winding Connection Type: DELTA-WYE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-909-7755, 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 Northrop Grumman Systems Corporation. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5950-00-909-7755
Primary Part Number1800912-2
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Maximum Operating Temp130.0 CELSIUS DEGC
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length8.100 INCHES MAXIMUM IN
Mounting Facility Quantity4 SINGLE GROUP
Transformer Winding Connection TypeDELTA-WYE
Winding Operating Current25.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage30.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Power Rating0.75 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width5.420 INCHES MINIMUM AND 5.460 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length5.980 INCHES MINIMUM AND 6.020 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Winding Power Rating790.8 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY
Terminal Type and Quantity11 THREADED STUD
Winding Operating Voltage116.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Mounting Hole Diameter0.344 INCHES NOMINAL SINGLE GROUP IN
Body Height4.860 INCHES MAXIMUM IN
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current6.8 AMPERES AC NOMINAL SINGLE COMPONENT FIRST SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-023-96933335C INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
6685-00-050-7721308428C91 INTERCHANGEABLE
Thermostat,flow Control
Navistar Intl Corp Truck Br Ohio Plant
4820-00-111-323274988659 INTERCHANGEABLE
Disk,valve
Kalmar AC Inc
5315-00-598-58163335 INTERCHANGEABLE
Pin,drive,power Actuated
Illinois Tool Works Inc
5998-00-827-1964 INTERCHANGEABLE
Electronic Components Assembly
2530-00-845-3905135280R91 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Navistar Intl Corp Truck Br Ohio Plant
4730-00-873-3885SAE J512 8-8 010101BA INTERCHANGEABLE
Nipple,tube
Sae International Dba Sae International
5355-01-004-80263335 INTERCHANGEABLE
Window,dial
Kearflex Engineering Company
6145-01-139-215777037-3 INTERCHANGEABLE
Cable,special Purpose,electrical
Winchester Interconnect Cm Ca, Inc.
3040-01-225-9071 INTERCHANGEABLE
Gearshaft,spur
Cross-Reference Index
Part NumberManufacturer
SP-3P51 Espey Mfg. & Electronics Corp. (USA)
44B258021-002 Genicom Corp (USA)
3335 Precision Electronics Inc Dba Grommes Precision (USA)
3335 Precision Electronics, Inc (USA)
1800912-2 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
5935-00-023-9693INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3335C
6685-00-050-7721INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
308428C91
4820-00-111-3232INTERCHANGEABLE
DISK,VALVE
74988659
5315-00-598-5816INTERCHANGEABLE
PIN,DRIVE,POWER ACTUATED
3335
5998-00-827-1964INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
2530-00-845-3905INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
135280R91
4730-00-873-3885INTERCHANGEABLE
NIPPLE,TUBE
SAE J512 8-8 010101BA
5355-01-004-8026INTERCHANGEABLE
WINDOW,DIAL
3335
6145-01-139-2157INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
77037-3
3040-01-225-9071INTERCHANGEABLE
GEARSHAFT,SPUR
6240-01-345-3263INTERCHANGEABLE
LAMP,INCANDESCENT
6515-01-515-4767INTERCHANGEABLE
RETRACTOR,SWIVEL
3335

Frequently Asked Questions

What is NSN 5950-00-909-7755?

NSN 5950-00-909-7755 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-909-7755?

NSN 5950-00-909-7755 has 5 cross-referenced part numbers: SP-3P51 (Espey Mfg. & Electronics Corp.), 44B258021-002 (Genicom Corp), 3335 (Precision Electronics Inc Dba Grommes Precision), 3335 (Precision Electronics, Inc), 1800912-2 (Northrop Grumman Systems Corporation).

What NSN replaces 5950-00-909-7755?

There are 12 known substitutes for 5950-00-909-7755: 5935-00-023-9693, 6685-00-050-7721, 4820-00-111-3232 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1800912-2?

Key specifications for 1800912-2: Reliability Indicator: NOT ESTABLISHED; Inclosure Type: FULLY INCLOSED; Maximum Operating Temp: 130.0 CELSIUS DEGC; Winding Operating Voltage: 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY. 24 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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