PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

438491-01Transformer,audio Frequency

Bae Systems Controls Inc · NSN 5950-01-237-3981 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-237-3981 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-237-3981. Primary manufacturer part number: 438491-01.
Features
  • Transformer,audio Frequency — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Width: 0.800 INCHES NOMINAL IN
  • Inclosure Type: FULLY INCLOSED
  • Frequency Rating: 1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-237-3981, 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 Bae Systems Controls Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-237-3981
Primary Part Number438491-01
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBae Systems Controls Inc
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Length0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Width0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width0.800 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Frequency Rating1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity4 PIN
Mounting MethodPLUG-IN SINGLE GROUP
Body Height0.532 INCHES MAXIMUM IN
Body Length0.800 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6645-00-933-2170 INTERCHANGEABLE
Wheel,readout
5310-00-982-6812131-22 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cnh Industrial America Llc Dba Cnh America
5133-01-086-4215 INTERCHANGEABLE
Drill,twist
1095-01-170-170913122 INTERCHANGEABLE
Screw Water Pump
Brinkley Technology Group Llc Dba Hercules Manufacturing
7125-01-516-876613122 INTERCHANGEABLE
Cabinet,storage
Ghc Specialty Brands, Llc Dba Lab Safety Supply
3950-01-517-9383C1312-0200 INTERCHANGEABLE
Hoist,chain
Columbus Mckinnon Corporation Dba Cm Shredder
5325-01-663-7048 INTERCHANGEABLE
Insert,screw Thread
Cross-Reference Index
Part NumberManufacturer
13122 Magnetika Inc (USA)
438491-01 PRIMARY Bae Systems Controls Inc (USA)
13122 United Transformer Corp Sub of Opt Industries Inc (USA)
Related Parts
6645-00-933-2170INTERCHANGEABLE
WHEEL,READOUT
5310-00-982-6812INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
131-22
5133-01-086-4215INTERCHANGEABLE
DRILL,TWIST
1095-01-170-1709INTERCHANGEABLE
SCREW WATER PUMP
13122
7125-01-516-8766INTERCHANGEABLE
CABINET,STORAGE
13122
3950-01-517-9383INTERCHANGEABLE
HOIST,CHAIN
C1312-0200
5325-01-663-7048INTERCHANGEABLE
INSERT,SCREW THREAD

Frequently Asked Questions

What is NSN 5950-01-237-3981?

NSN 5950-01-237-3981 is a Transformer,audio Frequency, manufactured by Bae Systems Controls Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-237-3981?

NSN 5950-01-237-3981 has 3 cross-referenced part numbers: 13122 (Magnetika Inc), 438491-01 (Bae Systems Controls Inc), 13122 (United Transformer Corp Sub of Opt Industries Inc).

What NSN replaces 5950-01-237-3981?

There are 7 known substitutes for 5950-01-237-3981: 6645-00-933-2170, 5310-00-982-6812, 5133-01-086-4215 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 438491-01?

Key specifications for 438491-01: Center to Center Distance Between Mounting Facilities Parallel to Length: 0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Reliability Indicator: NOT ESTABLISHED; Center to Center Distance Between Mounting Facilities Parallel to Width: 0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Body Width: 0.800 INCHES NOMINAL IN. 11 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