PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4537Coil,radio Frequency

Bell Industries Inc J W Miller Magnetics Div · NSN 5950-00-234-9989 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-234-9989 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-234-9989. Primary manufacturer part number: 4537.
Features
  • Coil,radio Frequency — FSC 5950
  • Quality Factor: 38 MINIMUM SINGLE COMPONENT SINGLE WINDING
  • Body Length: 1.500 INCHES NOMINAL IN
  • Inductance Rating: 2.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Mounting Method: TERMINAL SINGLE GROUP
  • DC Resistance Rating in Ohms: 28.000 SINGLE COMPONENT SINGLE WINDING
  • Terminal Type and Quantity: 2 WIRE LEAD
  • Rating Method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coil,radio Frequency, cataloged under National Stock Number 5950-00-234-9989, 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 Bell Industries Inc J W Miller Magnetics Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-234-9989
Primary Part Number4537
Item NameCoil,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBell Industries Inc J W Miller Magnetics Div
StatusCANCELLED
Quality Factor38 MINIMUM SINGLE COMPONENT SINGLE WINDING
Body Length1.500 INCHES NOMINAL IN
Inductance Rating2.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Mounting MethodTERMINAL SINGLE GROUP
DC Resistance Rating in Ohms28.000 SINGLE COMPONENT SINGLE WINDING
Terminal Type and Quantity2 WIRE LEAD
Rating MethodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
Inclosure TypeOPEN
Winding Operating Current200.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Overall Diameter0.875 INCHES NOMINAL IN
Coil Form TypeHOLLOW SINGLE COMPONENT
Winding Conductor Size0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
Turn Quantity840 SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Body Outside Diameter0.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4320-00-106-40304537 INTERCHANGEABLE
Shaft,transmission,pump
Eastern Industrial Products, Inc.
5950-00-227-7792467734-G INTERCHANGEABLE
Transformer,audio Frequency
Raytheon Company Dba Raytheon Co
5905-00-319-088795J2R0 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5360-00-355-9878 INTERCHANGEABLE
Spring,flat
2240-00-392-3119 INTERCHANGEABLE
Valve,sander
5310-00-444-7950SMB619161 INTERCHANGEABLE
Nut,self-Locking,knurled
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-486-11694537 INTERCHANGEABLE
Coil,radio Frequency
Moog Inc Div Moog Inc., Space and Defense - Salt Lake City
4730-00-640-1051137422 INTERCHANGEABLE
Elbow,pipe to Tube
Chrysler Realty Company Llc Dba Daimler Chrysler
6240-00-946-96364537 INTERCHANGEABLE
Lamp,incandescent
American National Standards Institute Incorporated Dba American National Standards Institute
6680-01-019-798952G-0076M-001 INTERCHANGEABLE
Tube,metering
Ametek Inc Schutte and Koerting Div
Cross-Reference Index
Part NumberManufacturer
4537 Bell Industries Inc J W Miller Magnetics Div (USA)
SDR14 Navcom Defense Electronics, Inc. (USA)
6-657 Delta Coils (USA)
914-44 Jefferson Ray (USA)
BX18-9 Bendix Corp the Bendix Aerospace Systems Div (USA)
Related Parts
4320-00-106-4030INTERCHANGEABLE
SHAFT,TRANSMISSION,PUMP
4537
5950-00-227-7792INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
467734-G
5905-00-319-0887INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
95J2R0
5360-00-355-9878INTERCHANGEABLE
SPRING,FLAT
2240-00-392-3119INTERCHANGEABLE
VALVE,SANDER
5310-00-444-7950INTERCHANGEABLE
NUT,SELF-LOCKING,KNURLED
SMB619161
5950-00-486-1169INTERCHANGEABLE
COIL,RADIO FREQUENCY
4537
4730-00-640-1051INTERCHANGEABLE
ELBOW,PIPE TO TUBE
137422
6240-00-946-9636INTERCHANGEABLE
LAMP,INCANDESCENT
4537
6680-01-019-7989INTERCHANGEABLE
TUBE,METERING
52G-0076M-001
5330-01-023-9578INTERCHANGEABLE
PACKING KIT,PREFORM
5980-01-070-8972INTERCHANGEABLE
LIGHT EMITTING DIODE

Frequently Asked Questions

What is NSN 5950-00-234-9989?

NSN 5950-00-234-9989 is a Coil,radio Frequency, manufactured by Bell Industries Inc J W Miller Magnetics Div, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-234-9989?

NSN 5950-00-234-9989 has 5 cross-referenced part numbers: 4537 (Bell Industries Inc J W Miller Magnetics Div), SDR14 (Navcom Defense Electronics, Inc.), 6-657 (Delta Coils), 914-44 (Jefferson Ray), BX18-9 (Bendix Corp the Bendix Aerospace Systems Div).

What NSN replaces 5950-00-234-9989?

There are 12 known substitutes for 5950-00-234-9989: 4320-00-106-4030, 5950-00-227-7792, 5905-00-319-0887 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4537?

Key specifications for 4537: Quality Factor: 38 MINIMUM SINGLE COMPONENT SINGLE WINDING; Body Length: 1.500 INCHES NOMINAL IN; Inductance Rating: 2.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING; Mounting Method: TERMINAL SINGLE GROUP. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-234-9989 still in active supply?

NSN 5950-00-234-9989 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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