PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TFYSX020ATransformer,audio Frequency

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5950-01-170-0162 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-170-0162 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-170-0162. Primary manufacturer part number: TFYSX020A.
Features
  • Transformer,audio Frequency — FSC 5950
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Maximum Operating Temp: 85.0 CELSIUS DEGC
  • Reliability Indicator: NOT ESTABLISHED
  • Terminal Type and Quantity: 9 TURRET
  • Body Length: 5.375 INCHES MINIMUM AND 5.625 INCHES MAXIMUM IN
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-170-0162, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-170-0162
Primary Part NumberTFYSX020A
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Maximum Operating Temp85.0 CELSIUS DEGC
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity9 TURRET
Body Length5.375 INCHES MINIMUM AND 5.625 INCHES MAXIMUM IN
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Length3.703 INCHES MINIMUM AND 3.797 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Body Width4.250 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN
Winding Operating Current13.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.953 INCHES MINIMUM AND 3.047 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height6.562 INCHES MINIMUM AND 6.938 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-07392780 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5930-00-112-5209 INTERCHANGEABLE
Switch,toggle
4720-00-287-69692780 INTERCHANGEABLE
Hose Assembly,nonmetallic
Ingersoll-Rand Company Dba Ingersoll-Rand
4220-00-329-7248 INTERCHANGEABLE
Clamp Assembly,equalizer Tube
5950-00-648-6127 INTERCHANGEABLE
Transformer,power
5950-00-803-46489175618 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
6625-00-866-0229 INTERCHANGEABLE
Test Set,electrical Cable
5315-00-976-1149 INTERCHANGEABLE
Pin
6520-01-550-3809410193 INTERCHANGEABLE
Case,dental Chair,portable
Aseptico, Inc. Dba Aseptico Inc
6750-01-685-46712780 INTERCHANGEABLE
Plate,photographic
Horizons Incorporated Div Imaging Systems Group
Cross-Reference Index
Part NumberManufacturer
TFYSX020A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
20-000303-004 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
2780 Dyco Manufacturing, Llc (USA)
20-000303-004 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
3110-00-100-0739INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2780
5930-00-112-5209INTERCHANGEABLE
SWITCH,TOGGLE
4720-00-287-6969INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2780
4220-00-329-7248INTERCHANGEABLE
CLAMP ASSEMBLY,EQUALIZER TUBE
5950-00-648-6127INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-803-4648INTERCHANGEABLE
TRANSFORMER,POWER
9175618
6625-00-866-0229INTERCHANGEABLE
TEST SET,ELECTRICAL CABLE
5315-00-976-1149INTERCHANGEABLE
PIN
6520-01-550-3809INTERCHANGEABLE
CASE,DENTAL CHAIR,PORTABLE
410193
6750-01-685-4671INTERCHANGEABLE
PLATE,PHOTOGRAPHIC
2780

Frequently Asked Questions

What is NSN 5950-01-170-0162?

NSN 5950-01-170-0162 is a Transformer,audio Frequency, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-170-0162?

NSN 5950-01-170-0162 has 4 cross-referenced part numbers: TFYSX020A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 20-000303-004 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 2780 (Dyco Manufacturing, Llc), 20-000303-004 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 5950-01-170-0162?

There are 10 known substitutes for 5950-01-170-0162: 3110-00-100-0739, 5930-00-112-5209, 4720-00-287-6969 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TFYSX020A?

Key specifications for TFYSX020A: Mounting Method: THREADED STUD(S) SINGLE GROUP; Maximum Operating Temp: 85.0 CELSIUS DEGC; Reliability Indicator: NOT ESTABLISHED; Terminal Type and Quantity: 9 TURRET. 16 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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