PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10370Transformer,power

Astronautics Corporation of America · NSN 5950-00-328-1991 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-328-1991 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-328-1991. Primary manufacturer part number: 10370.
Features
  • Transformer,power — FSC 5950
  • Body Height: 2.500 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 2.313 INCHES NOMINAL IN
  • Winding Operating Current: 2.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Current: 500.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Winding Operating Voltage: 26.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-328-1991, 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 Astronautics Corporation of America. Government technical data includes 21 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
NSN5950-00-328-1991
Primary Part Number10370
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAstronautics Corporation of America
StatusACTIVE
Body Height2.500 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Body Length2.313 INCHES NOMINAL IN
Winding Operating Current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current500.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage26.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Body Width2.063 INCHES NOMINAL IN
Winding Operating Voltage10.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Width1.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.687 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Thread Quantity Per Inch32 SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-021-5339 INTERCHANGEABLE
Electronic Components Assembly
5998-00-226-4491 INTERCHANGEABLE
Electronic Components Assembly
5815-00-324-9266SM-B-171626 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4320-00-336-622810370 INTERCHANGEABLE
Cover,bearing Housing
Rps-Fl, Inc. Dba Rps Inc
5325-00-781-5902MS27980-7 INTERCHANGEABLE
Stud,snap Fastener
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5331-00-805-5349 INTERCHANGEABLE
O-Ring
5945-00-922-003110370 INTERCHANGEABLE
Relay,electromagnetic
Creating Technology Solutions, Llc Dba Technology Research Corp Div Technology Research Corp
3010-01-052-064010-370 INTERCHANGEABLE
Universal Joint,nonvehicular
Apex Tool Group, Llc
4940-01-266-565010370 INTERCHANGEABLE
Column,outer
L & R Manufacturing Company
5355-01-334-3710 INTERCHANGEABLE
Knob
Cross-Reference Index
Part NumberManufacturer
T56931 Thordarson Inc (USA)
10370 PRIMARY Astronautics Corporation of America (USA)
Related Parts
5998-00-021-5339INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5998-00-226-4491INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5815-00-324-9266INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-B-171626
4320-00-336-6228INTERCHANGEABLE
COVER,BEARING HOUSING
10370
5325-00-781-5902INTERCHANGEABLE
STUD,SNAP FASTENER
MS27980-7
5331-00-805-5349INTERCHANGEABLE
O-RING
5945-00-922-0031INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
10370
3010-01-052-0640INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
10-370
4940-01-266-5650INTERCHANGEABLE
COLUMN,OUTER
10370
5355-01-334-3710INTERCHANGEABLE
KNOB
6520-01-383-4751INTERCHANGEABLE
FILE SET,PULP CANAL,DENTAL
10370
4820-01-503-2870INTERCHANGEABLE
VALVE,CHECK
10-370

Frequently Asked Questions

What is NSN 5950-00-328-1991?

NSN 5950-00-328-1991 is a Transformer,power, manufactured by Astronautics Corporation of America, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-328-1991?

NSN 5950-00-328-1991 has 2 cross-referenced part numbers: T56931 (Thordarson Inc), 10370 (Astronautics Corporation of America).

What NSN replaces 5950-00-328-1991?

There are 12 known substitutes for 5950-00-328-1991: 5998-00-021-5339, 5998-00-226-4491, 5815-00-324-9266 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10370?

Key specifications for 10370: Body Height: 2.500 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED; Body Length: 2.313 INCHES NOMINAL IN; Winding Operating Current: 2.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY. 22 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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