PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56-266232-1Transformer,audio Frequency

General Dynamics Mission Systems, Inc. · NSN 5950-00-919-1887 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-919-1887 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-919-1887. Primary manufacturer part number: 56-266232-1.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Winding Function and Quantity: 2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Length: 2.250 INCHES NOMINAL IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Thread Series Designator: UNF SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-919-1887, 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 General Dynamics Mission Systems, Inc.. Government technical data includes 21 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-919-1887
Primary Part Number56-266232-1
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc.
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Winding Function and Quantity2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length2.250 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Thread Series DesignatorUNF SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Impedance Rating in Ohms12.5 NOMINAL SINGLE COMPONENT ALL PRIMARY
Winding Operating Current60.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL PRIMARY
Body Height3.500 INCHES NOMINAL IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Frequency Rating300.0 HERTZ MINIMUM AND 3.5 KILOHERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Primary to Secondary Turn Ratio1 TO 1 TO 3-7/16 SINGLE COMPONENT
Terminal Type and Quantity6 THREADED STUD
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Thread Quantity Per Inch32 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Body Width1.500 INCHES NOMINAL IN
Maximum Transformer Power Rating20.0 DECIBELS SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-101-101067390 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3120-00-213-0832 INTERCHANGEABLE
Bearing,sleeve
5930-00-236-771450257 INTERCHANGEABLE
Switch,thermostatic
Wells Mfg Co
4210-01-049-370430257 INTERCHANGEABLE
Nozzle Assembly
Tyco Fire Products Lp
5331-01-289-313130257 INTERCHANGEABLE
O-Ring
Adams Rite Aerospace, Inc
4730-01-348-067630257 INTERCHANGEABLE
Adapter,straight,hose to Boss
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5920-01-606-349930257 INTERCHANGEABLE
Fuse,cartridge
Kerr Corporation
1005-01-706-064430257 INTERCHANGEABLE
Spring,helical,compression
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
56-266232-1 PRIMARY General Dynamics Mission Systems, Inc. (USA)
AE8257 Atlas Engineering Co Inc (USA)
30257 Gte Products Corp Sylvania Miniature Lighting Div (USA)
56-266232-1 Gte Government Systems Corp Strategic Systems Div (USA)
06328 Magnetika East Limited Partnership (USA)
Related Parts
3110-00-101-1010INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
67390
3120-00-213-0832INTERCHANGEABLE
BEARING,SLEEVE
5930-00-236-7714INTERCHANGEABLE
SWITCH,THERMOSTATIC
50257
4210-01-049-3704INTERCHANGEABLE
NOZZLE ASSEMBLY
30257
5331-01-289-3131INTERCHANGEABLE
O-RING
30257
4730-01-348-0676INTERCHANGEABLE
ADAPTER,STRAIGHT,HOSE TO BOSS
30257
5920-01-606-3499INTERCHANGEABLE
FUSE,CARTRIDGE
30257
1005-01-706-0644INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
30257

Frequently Asked Questions

What is NSN 5950-00-919-1887?

NSN 5950-00-919-1887 is a Transformer,audio Frequency, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-919-1887?

NSN 5950-00-919-1887 has 5 cross-referenced part numbers: 56-266232-1 (General Dynamics Mission Systems, Inc.), AE8257 (Atlas Engineering Co Inc), 30257 (Gte Products Corp Sylvania Miniature Lighting Div), 56-266232-1 (Gte Government Systems Corp Strategic Systems Div), 06328 (Magnetika East Limited Partnership).

What NSN replaces 5950-00-919-1887?

There are 8 known substitutes for 5950-00-919-1887: 3110-00-101-1010, 3120-00-213-0832, 5930-00-236-7714 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 56-266232-1?

Key specifications for 56-266232-1: Reliability Indicator: NOT ESTABLISHED; Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN; Winding Function and Quantity: 2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Body Length: 2.250 INCHES NOMINAL IN. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com