PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-78757Transformer,radio Frequency

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5950-00-393-1514 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-393-1514 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-393-1514. Primary manufacturer part number: SM-B-78757.
Features
  • Transformer,radio Frequency — FSC 5950
  • Inclosure Type: OPEN
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Terminal Type and Quantity: 3 WIRE LEAD
  • Body Length: 0.875 INCHES NOMINAL IN
  • Adjustment Method and Quantity: 1 ADJUSTABLE CORE SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Coil Form Type: HOLLOW SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-393-1514, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 17 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
NSN5950-00-393-1514
Primary Part NumberSM-B-78757
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Inclosure TypeOPEN
Thread Quantity Per Inch32 SINGLE GROUP
Terminal Type and Quantity3 WIRE LEAD
Body Length0.875 INCHES NOMINAL IN
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Coil Form TypeHOLLOW SINGLE COMPONENT
Winding Conductor Size0.01264 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
Thread Series DesignatorUNF SINGLE GROUP
Body Outside Diameter0.500 INCHES NOMINAL IN
Inductance Rating1.59 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
Turn Quantity15-1/4 SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTHREADED BUSHING SINGLE GROUP
Winding Function and Quantity1 PRIMARY SINGLE COMPONENT
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5342-00-218-5906 INTERCHANGEABLE
Cap,filler Opening
4820-00-239-29913251 INTERCHANGEABLE
Valve,safety Relief
Tactair Fluid Controls Inc
3120-00-378-97173251 INTERCHANGEABLE
Bearing,washer,thrust
Manitowoc Engineering Co Division of the Manitowoc Co Inc
8010-00-431-6213 INTERCHANGEABLE
Remover,paint
3110-00-554-5968 INTERCHANGEABLE
Bearing,ball,annular
3120-00-633-0821204-030-788-1 INTERCHANGEABLE
Roller,linear-Rotary Motion
Bell Textron Inc
5815-00-714-15463251 INTERCHANGEABLE
Rod
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
8010-00-815-2970STRIPPER 11-001GL INTERCHANGEABLE
Remover,paint
Crest Industrial Chemicals Inc
6920-00-894-7381 INTERCHANGEABLE
Drum Assembly
2915-00-985-47493251 INTERCHANGEABLE
Poppet,fuel Nozzle
Collins Engine Nozzles, Inc
Cross-Reference Index
Part NumberManufacturer
B2928-19 Scomill Inc (USA)
3251 Precision Electronics, Inc (USA)
SM-B-78757 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
B2928-19 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
Related Parts
5342-00-218-5906INTERCHANGEABLE
CAP,FILLER OPENING
4820-00-239-2991INTERCHANGEABLE
VALVE,SAFETY RELIEF
3251
3120-00-378-9717INTERCHANGEABLE
BEARING,WASHER,THRUST
3251
8010-00-431-6213INTERCHANGEABLE
REMOVER,PAINT
3110-00-554-5968INTERCHANGEABLE
BEARING,BALL,ANNULAR
3120-00-633-0821INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
204-030-788-1
5815-00-714-1546INTERCHANGEABLE
ROD
3251
8010-00-815-2970INTERCHANGEABLE
REMOVER,PAINT
STRIPPER 11-001GL
6920-00-894-7381INTERCHANGEABLE
DRUM ASSEMBLY
2915-00-985-4749INTERCHANGEABLE
POPPET,FUEL NOZZLE
3251
5325-01-079-7431INTERCHANGEABLE
GROMMET,NONMETALLIC
3251
9320-01-083-0463INTERCHANGEABLE
RUBBER SHEET,SOLID

Frequently Asked Questions

What is NSN 5950-00-393-1514?

NSN 5950-00-393-1514 is a Transformer,radio Frequency, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-393-1514?

NSN 5950-00-393-1514 has 4 cross-referenced part numbers: B2928-19 (Scomill Inc), 3251 (Precision Electronics, Inc), SM-B-78757 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), B2928-19 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division).

What NSN replaces 5950-00-393-1514?

There are 12 known substitutes for 5950-00-393-1514: 5342-00-218-5906, 4820-00-239-2991, 3120-00-378-9717 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-B-78757?

Key specifications for SM-B-78757: Inclosure Type: OPEN; Thread Quantity Per Inch: 32 SINGLE GROUP; Terminal Type and Quantity: 3 WIRE LEAD; Body Length: 0.875 INCHES NOMINAL IN. 17 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