PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3381Transformer,radio Frequency

Precision Electronics, Inc · NSN 5950-00-648-0428 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-648-0428 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-648-0428. Primary manufacturer part number: 3381.
Features
  • Transformer,radio Frequency — FSC 5950
  • Inductance Rating: 5.55 MILLIHENRIES NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Series Designator: UNEF SINGLE GROUP
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE PRIMARY
  • Inductance Rating: 17.80 MILLIHENRIES NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Coil Form Type: HOLLOW SINGLE COMPONENT
  • Inductance Rating: 416.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-648-0428, 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 Precision Electronics, Inc. Government technical data includes 20 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-648-0428
Primary Part Number3381
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPrecision Electronics, Inc
StatusACTIVE
Inductance Rating5.55 MILLIHENRIES NOMINAL SINGLE COMPONENT FIRST SECONDARY
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNEF SINGLE GROUP
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE PRIMARY
Inductance Rating17.80 MILLIHENRIES NOMINAL SINGLE COMPONENT SECOND SECONDARY
Coil Form TypeHOLLOW SINGLE COMPONENT
Inductance Rating416.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Nominal Thread Size0.375 INCHES SINGLE GROUP IN
Rating MethodELECTRICAL SINGLE COMPONENT SECOND SECONDARY
Terminal Type and Quantity5 SOLDER STUD
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Frequency Rating75.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Mounting MethodTHREADED BUSHING SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Body Length1.357 INCHES NOMINAL IN
Rating MethodELECTRICAL SINGLE COMPONENT FIRST SECONDARY
Body Outside Diameter0.720 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-074-80123381 INTERCHANGEABLE
Seat,valve
Lawler Manufacturing Company, Inc.
3110-00-100-07661B3963 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Caterpillar Inc Div Caterpillar Defense
5910-00-186-84123-381 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Bae Systems Information and Electronic Systems Integration Inc.
6105-00-284-09743-381 INTERCHANGEABLE
Armature,motor
Electric Boat Corporation Div General Dynamics Electric Boat
5950-00-318-2668 INTERCHANGEABLE
Transformer,power
2910-00-373-156533381 INTERCHANGEABLE
Filter,fluid
Wix Corp
4730-00-542-4266SAE J513 4 010109B INTERCHANGEABLE
Plug,tube Fitting,threaded
Sae International Dba Sae International
5935-00-789-246733-81 INTERCHANGEABLE
Connector,plug,electrical
Te Connectivity Corporation Dba Microdot Products
5998-00-828-9152 INTERCHANGEABLE
Circuit Card Assembly
6510-00-926-90823352 INTERCHANGEABLE
Sponge,surgical
Dynarex Corp
Cross-Reference Index
Part NumberManufacturer
3381 Precision Electronics, Inc (USA)
C746106-13 Rca Corp Distributor and Special Products Div
C746106-13 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
Related Parts
4820-00-074-8012INTERCHANGEABLE
SEAT,VALVE
3381
3110-00-100-0766INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1B3963
5910-00-186-8412INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
3-381
6105-00-284-0974INTERCHANGEABLE
ARMATURE,MOTOR
3-381
5950-00-318-2668INTERCHANGEABLE
TRANSFORMER,POWER
2910-00-373-1565INTERCHANGEABLE
FILTER,FLUID
33381
4730-00-542-4266INTERCHANGEABLE
PLUG,TUBE FITTING,THREADED
SAE J513 4 010109B
5935-00-789-2467INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
33-81
5998-00-828-9152INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6510-00-926-9082INTERCHANGEABLE
SPONGE,SURGICAL
3352
6140-01-070-7367INTERCHANGEABLE
BATTERY,STORAGE
405118-000
6505-01-127-8721INTERCHANGEABLE
AMILORIDE HYDROCHLORIDE TABLETS
3381

Frequently Asked Questions

What is NSN 5950-00-648-0428?

NSN 5950-00-648-0428 is a Transformer,radio Frequency, manufactured by Precision Electronics, Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-648-0428?

NSN 5950-00-648-0428 has 3 cross-referenced part numbers: 3381 (Precision Electronics, Inc), C746106-13 (Rca Corp Distributor and Special Products Div), C746106-13 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin).

What NSN replaces 5950-00-648-0428?

There are 12 known substitutes for 5950-00-648-0428: 4820-00-074-8012, 3110-00-100-0766, 5910-00-186-8412 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3381?

Key specifications for 3381: Inductance Rating: 5.55 MILLIHENRIES NOMINAL SINGLE COMPONENT FIRST SECONDARY; Reliability Indicator: NOT ESTABLISHED; Thread Series Designator: UNEF SINGLE GROUP; Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE PRIMARY. 20 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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