PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ZM18Transformer,radio Frequency

Navcom Defense Electronics, Inc. · NSN 5950-00-647-8579 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-647-8579 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-647-8579. Primary manufacturer part number: ZM18.
Features
  • Transformer,radio Frequency — FSC 5950
  • Frequency Rating: 12.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
  • Adjustment Method and Quantity: 1 ADJUSTABLE CORE SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Transformer Function: INTERSTAGE
  • Body Width: 0.875 INCHES MAXIMUM IN
  • Body Height: 1.812 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 4 SOLDER STUD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-647-8579, 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 Navcom Defense Electronics, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-647-8579
Primary Part NumberZM18
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavcom Defense Electronics, Inc.
StatusCANCELLED
Frequency Rating12.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Transformer FunctionINTERSTAGE
Body Width0.875 INCHES MAXIMUM IN
Body Height1.812 INCHES MAXIMUM IN
Terminal Type and Quantity4 SOLDER STUD
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Thread Series DesignatorUNF SINGLE GROUP
Thread Quantity Per Inch28 SINGLE GROUP
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Mounting MethodTHREADED BUSHING SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Body Length0.875 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6240-00-660-8467129-001-0011 INTERCHANGEABLE
Lamp,incandescent
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
ZM18 Navcom Defense Electronics, Inc. (USA)
L1-0002 Howard Radio Co (USA)
Related Parts
6240-00-660-8467INTERCHANGEABLE
LAMP,INCANDESCENT
129-001-0011

Frequently Asked Questions

What is NSN 5950-00-647-8579?

NSN 5950-00-647-8579 is a Transformer,radio Frequency, manufactured by Navcom Defense Electronics, Inc., classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-647-8579?

NSN 5950-00-647-8579 has 2 cross-referenced part numbers: ZM18 (Navcom Defense Electronics, Inc.), L1-0002 (Howard Radio Co).

What NSN replaces 5950-00-647-8579?

There is 1 known substitute for 5950-00-647-8579: 6240-00-660-8467. Verify interchangeability with system specifications before substitution.

What are the specifications of ZM18?

Key specifications for ZM18: Frequency Rating: 12.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT; Adjustment Method and Quantity: 1 ADJUSTABLE CORE SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED; Transformer Function: INTERSTAGE. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-647-8579 still in active supply?

NSN 5950-00-647-8579 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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