PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1511MTransformer,radio Frequency

Lockheed Martin Sippican, Inc. Div Communication Division · NSN 5950-01-104-5443 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-104-5443 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-104-5443. Primary manufacturer part number: 1511M.
Features
  • Transformer,radio Frequency — FSC 5950
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Inductance Rating: 515.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Transformer Function: INPUT
  • Reliability Indicator: NOT ESTABLISHED
  • Coil Form Type: SOLID SINGLE COMPONENT
  • Maximum Operating Temp: 85.0 CELSIUS DEGC
  • Frequency Rating: 20.0 KILOHERTZ MINIMUM AND 250.0 KILOHERTZ MAXIMUM 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 5950-01-104-5443, 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 Lockheed Martin Sippican, Inc. Div Communication Division. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-104-5443
Primary Part Number1511M
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Sippican, Inc. Div Communication Division
StatusACTIVE
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Inductance Rating515.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Transformer FunctionINPUT
Reliability IndicatorNOT ESTABLISHED
Coil Form TypeSOLID SINGLE COMPONENT
Maximum Operating Temp85.0 CELSIUS DEGC
Frequency Rating20.0 KILOHERTZ MINIMUM AND 250.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Length0.850 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Rating MethodELECTRICAL SINGLE COMPONENT SECOND SECONDARY
Inductance Rating9.00 MICROHENRIES NOMINAL SINGLE COMPONENT SECOND SECONDARY
Inductance Rating63.00 MILLIHENRIES NOMINAL SINGLE COMPONENT FIRST SECONDARY
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Terminal Type and Quantity7 PIN
Inclosure TypeFULLY INCLOSED
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE PRIMARY
Rating MethodELECTRICAL SINGLE COMPONENT FIRST SECONDARY
Mounting Facility Quantity2 SINGLE GROUP
Overall Diameter1.201 INCHES MINIMUM AND 1.211 INCHES MAXIMUM IN
Distance Between Mounting Facility Centers1.185 INCHES MINIMUM AND 1.195 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4940-00-270-1044EGHV-531-397E INTERCHANGEABLE
Spray Gun,paint
Illinois Tool Works Inc.
7510-00-997-4256 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
Cross-Reference Index
Part NumberManufacturer
1501G Lockheed Martin Sippican, Inc. Div Communication Division (USA)
1511M PRIMARY Lockheed Martin Sippican, Inc. Div Communication Division (USA)
Related Parts
4940-00-270-1044INTERCHANGEABLE
SPRAY GUN,PAINT
EGHV-531-397E
7510-00-997-4256INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE

Frequently Asked Questions

What is NSN 5950-01-104-5443?

NSN 5950-01-104-5443 is a Transformer,radio Frequency, manufactured by Lockheed Martin Sippican, Inc. Div Communication Division, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-104-5443?

NSN 5950-01-104-5443 has 2 cross-referenced part numbers: 1501G (Lockheed Martin Sippican, Inc. Div Communication Division), 1511M (Lockheed Martin Sippican, Inc. Div Communication Division).

What NSN replaces 5950-01-104-5443?

There are 2 known substitutes for 5950-01-104-5443: 4940-00-270-1044, 7510-00-997-4256. Verify interchangeability with system specifications before substitution.

What are the specifications of 1511M?

Key specifications for 1511M: Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT; Inductance Rating: 515.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Transformer Function: INPUT; Reliability Indicator: NOT ESTABLISHED. 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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