PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X526-1Coil,radio Frequency

Communication Coil, Inc. Div - · NSN 5950-00-989-4334 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-989-4334 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-989-4334. Primary manufacturer part number: X526-1.
Features
  • Coil,radio Frequency — FSC 5950
  • Inductance Rating: 0.45 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Maximum Operating Temp: 85.0 CELSIUS DEGC
  • Adjustment Device Drive Type: SLOTTED SCREW SINGLE COMPONENT
  • Turn Quantity: 7 SINGLE COMPONENT SINGLE WINDING
  • Core Construction: POWDERED SINGLE COMPONENT
  • Overall Diameter: 0.250 INCHES NOMINAL IN
  • Inclosure Type: OPEN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coil,radio Frequency, cataloged under National Stock Number 5950-00-989-4334, 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 Communication Coil, Inc. Div -. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-989-4334
Primary Part NumberX526-1
Item NameCoil,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerCommunication Coil, Inc. Div -
StatusACTIVE
Inductance Rating0.45 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Maximum Operating Temp85.0 CELSIUS DEGC
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Turn Quantity7 SINGLE COMPONENT SINGLE WINDING
Core ConstructionPOWDERED SINGLE COMPONENT
Overall Diameter0.250 INCHES NOMINAL IN
Inclosure TypeOPEN
Coil Form TypeHOLLOW SINGLE COMPONENT
Quality Factor80 MINIMUM SINGLE COMPONENT SINGLE WINDING
Rating MethodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
Body Length0.625 INCHES NOMINAL IN
Terminal Type and Quantity2 WIRE LEAD
Winding Conductor Size0.01264 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
Mounting MethodTERMINAL SINGLE GROUP
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5305-00-011-1633111633 INTERCHANGEABLE
Screw,tapping
Us Army Aviation and Missile Command
5330-00-042-8649 INTERCHANGEABLE
Seal,plain Encased
5950-00-347-562118580 INTERCHANGEABLE
Transformer,electrical
Freed Transformer Co
5120-00-449-3972 INTERCHANGEABLE
Expander Piston Rin
5905-00-874-007366-4062-12 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ward Leonard Ct Llc
5950-00-962-29232242046 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4320-01-041-354318580 INTERCHANGEABLE
Sleeve,sliding,by-Pass Valve
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
8040-01-335-1402 INTERCHANGEABLE
Accelerator,adhesive Curing
6510-01-578-2070 INTERCHANGEABLE
Adhesive Ties,surgical
8145-01-587-524700033920 INTERCHANGEABLE
Case,shipping and Storage,pharma
Becklin Holdings, Inc.
Cross-Reference Index
Part NumberManufacturer
X526-1 PRIMARY Communication Coil, Inc. Div - (USA)
18-580 PRIMARY Albert Frei & Sons, Inc. Dba Afs (USA)
278-1792-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
278-1792-00 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
278-1792-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
5305-00-011-1633INTERCHANGEABLE
SCREW,TAPPING
111633
5330-00-042-8649INTERCHANGEABLE
SEAL,PLAIN ENCASED
5950-00-347-5621INTERCHANGEABLE
TRANSFORMER,ELECTRICAL
18580
5120-00-449-3972INTERCHANGEABLE
EXPANDER PISTON RIN
5905-00-874-0073INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
66-4062-12
5950-00-962-2923INTERCHANGEABLE
TRANSFORMER,POWER
2242046
4320-01-041-3543INTERCHANGEABLE
SLEEVE,SLIDING,BY-PASS VALVE
18580
8040-01-335-1402INTERCHANGEABLE
ACCELERATOR,ADHESIVE CURING
6510-01-578-2070INTERCHANGEABLE
ADHESIVE TIES,SURGICAL
8145-01-587-5247INTERCHANGEABLE
CASE,SHIPPING AND STORAGE,PHARMA
00033920

Frequently Asked Questions

What is NSN 5950-00-989-4334?

NSN 5950-00-989-4334 is a Coil,radio Frequency, manufactured by Communication Coil, Inc. Div -, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-989-4334?

NSN 5950-00-989-4334 has 5 cross-referenced part numbers: X526-1 (Communication Coil, Inc. Div -), 18-580 (Albert Frei & Sons, Inc. Dba Afs), 278-1792-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 278-1792-00 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 278-1792-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5950-00-989-4334?

There are 10 known substitutes for 5950-00-989-4334: 5305-00-011-1633, 5330-00-042-8649, 5950-00-347-5621 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X526-1?

Key specifications for X526-1: Inductance Rating: 0.45 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING; Maximum Operating Temp: 85.0 CELSIUS DEGC; Adjustment Device Drive Type: SLOTTED SCREW SINGLE COMPONENT; Turn Quantity: 7 SINGLE COMPONENT SINGLE WINDING. 16 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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