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1642-26 — TRANSFORMER,RADIO FREQUENCY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1642-26: TRANSFORMER,RADIO FREQUENCY.

The TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, body_length: 0.490 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 1.112 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN, rating_method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT, thread_length: 1.040 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-147-6562, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1642-26
NSN: 5950-00-147-6562
NIINs: 001476562, 011251997
FSC: 5950 — Coils and Transformers
CAGE: 18212 — AMERICAN TRANS-COIL CORP (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
body_length0.490 INCHES MAXIMUM IN
thread_class2A A
head_diameter1.112 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
rating_methodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT
thread_length1.040 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
turn_quantity2-1/2 SINGLE COMPONENT SINGLE PRIMARY INPUT
coil_form_typeHOLLOW SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
fastener_length3.670 INCHES MINIMUM AND 3.750 INCHES MAXIMUM IN
mounting_methodTAB SINGLE GROUP
frequency_rating14.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
NSN5950-00-147-6562
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,RADIO FREQUENCY TITLE COMPONENT PN 1642-26 MFR TRANSFORMER,RADIO FREQ
KEY FEATURES
•
INCLOSURE TYPE: FULLY INCLOSED
•
OVERALL DIAMETER: 0.417 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
•
TURN QUANTITY: 2-1/2 SINGLE COMPONENT SINGLE PRIMARY INPUT
•
MOUNTING METHOD: TAB SINGLE GROUP
•
INDUCTANCE RATING: 97.10 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
•
ADJUSTMENT DEVICE DRIVE TYPE: SLOTTED SCREW SINGLE COMPONENT
•
ADJUSTMENT METHOD AND QUANTITY: 1 ADJUSTABLE CORE SINGLE COMPONENT
TECHNICAL CHARACTERISTICS
INCLOSURE TYPEFULLY INCLOSED
OVERALL DIAMETER0.417 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
TURN QUANTITY2-1/2 SINGLE COMPONENT SINGLE PRIMARY INPUT
TURN QUANTITY1/2 SINGLE COMPONENT SINGLE PRIMARY OUTPUT
MOUNTING METHODTAB SINGLE GROUP
INDUCTANCE RATING97.10 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
ADJUSTMENT DEVICE DRIVE TYPESLOTTED SCREW SINGLE COMPONENT
ADJUSTMENT METHOD AND QUANTITY1 ADJUSTABLE CORE SINGLE COMPONENT
WINDING CONDUCTOR SIZE0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY OUTPUT IN
WINDING CONDUCTOR SIZE0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY INPUT IN
SUBSTITUTES & CROSS-REFERENCES 5
809000-266Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MTC666230-326Reference document
Same NSN cross-reference
Reference document — Secondary reference
666230-3226Reference document
Same NSN cross-reference
Reference document — Secondary reference
666230R326Reference document
Same NSN cross-reference
Reference document — Secondary reference
230-326Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1642-26?
1642-26 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace 1642-26?
There are 5 known substitutes for 1642-26: 809000-266, MTC666230-326, 666230-3226 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1642-26?
1642-26 is cataloged in the U.S. Government catalog under NSN 5950-00-147-6562. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.