PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TW-66049Transformer,current

Magnetika · NSN 5950-01-388-6788 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-388-6788 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-388-6788. Primary manufacturer part number: TW-66049.
Features
  • Transformer,current — FSC 5950
  • Features Provided: TINNED WIRE LEADS
  • Inclosure Type: FULLY INCLOSED
  • Reliability Indicator: NOT ESTABLISHED
  • Distance Between Mounting Facility Centers: 1.360 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 1.700 INCHES MAXIMUM IN
  • Winding Function and Quantity: 1 SECONDARY SINGLE COMPONENT
  • Terminal Type and Quantity: 2 TURRET
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,current, cataloged under National Stock Number 5950-01-388-6788, 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 Magnetika. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-388-6788
Primary Part NumberTW-66049
Item NameTransformer,current
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetika
StatusACTIVE
Features ProvidedTINNED WIRE LEADS
Inclosure TypeFULLY INCLOSED
Reliability IndicatorNOT ESTABLISHED
Distance Between Mounting Facility Centers1.360 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height1.700 INCHES MAXIMUM IN
Winding Function and Quantity1 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity2 TURRET
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Voltage10.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating40.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Maximum Operating Temp130.0 CELSIUS DEGC
Winding Operating Current10.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-297-6045AS568B132 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
2040-00-841-8822 INTERCHANGEABLE
Parts Kit
5998-01-131-737921722 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Div Communication Systems-West
6610-01-165-21032172-2 INTERCHANGEABLE
Indicator,air Speed
Kearflex Engineering Company
5815-01-171-1634 INTERCHANGEABLE
Punch Mechanism Ass
5365-01-354-367121722 INTERCHANGEABLE
Spacer,plate
Eaton Corp Hydraulics Div
5325-01-443-350105621 INTERCHANGEABLE
Insert,screw Thread
Time Fastener Co Inc
5340-01-476-046721722 INTERCHANGEABLE
Bracket,angle
Truck-Lite Co., Llc
1650-01-485-000221724 INTERCHANGEABLE
Mounting Flange Sub
Parker-Hannifin Corporation Dba Control Systems Division
4940-01-507-313505621 INTERCHANGEABLE
Parts Kit,pressure Jet Steam Cle
Better Engineering Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
TW-66049 Magnetika (USA)
21722 Robert M. Hadley Company, Inc. (USA)
05621 Magnetika Inc (USA)
B86B0001-1 Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA)
Related Parts
5331-00-297-6045INTERCHANGEABLE
O-RING
AS568B132
2040-00-841-8822INTERCHANGEABLE
PARTS KIT
5998-01-131-7379INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21722
6610-01-165-2103INTERCHANGEABLE
INDICATOR,AIR SPEED
2172-2
5815-01-171-1634INTERCHANGEABLE
PUNCH MECHANISM ASS
5365-01-354-3671INTERCHANGEABLE
SPACER,PLATE
21722
5325-01-443-3501INTERCHANGEABLE
INSERT,SCREW THREAD
05621
5340-01-476-0467INTERCHANGEABLE
BRACKET,ANGLE
21722
1650-01-485-0002INTERCHANGEABLE
MOUNTING FLANGE SUB
21724
4940-01-507-3135INTERCHANGEABLE
PARTS KIT,PRESSURE JET STEAM CLE
05621
5365-01-508-7331INTERCHANGEABLE
BUSHING,NONMETALLIC
21722
6515-01-591-9306INTERCHANGEABLE
SUPPORT,ARM AND SHOULDER
625DZ

Frequently Asked Questions

What is NSN 5950-01-388-6788?

NSN 5950-01-388-6788 is a Transformer,current, manufactured by Magnetika, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-388-6788?

NSN 5950-01-388-6788 has 4 cross-referenced part numbers: TW-66049 (Magnetika), 21722 (Robert M. Hadley Company, Inc.), 05621 (Magnetika Inc), B86B0001-1 (Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co).

What NSN replaces 5950-01-388-6788?

There are 12 known substitutes for 5950-01-388-6788: 5331-00-297-6045, 2040-00-841-8822, 5998-01-131-7379 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TW-66049?

Key specifications for TW-66049: Features Provided: TINNED WIRE LEADS; Inclosure Type: FULLY INCLOSED; Overall Length: 1.750 INCHES MAXIMUM IN; Reliability Indicator: NOT ESTABLISHED. 19 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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