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1644-77 — TRANSFORMER,RADIO FREQUENCY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1644-77: TRANSFORMER,RADIO FREQUENCY.

The TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: LEATHER OVERALL, coil_form_type: HOLLOW SINGLE COMPONENT, inclosure_type: FULLY INCLOSED, overall_length: 0.630 INCHES MAXIMUM IN, mounting_method: TAB SINGLE GROUP, frequency_rating: 10.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-203-1211, 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
1644-77
NSN: 5950-00-203-1211
NIINs: 002031211, 004884259
FSC: 5950 — Coils and Transformers
CAGE: 18212 — AMERICAN TRANS-COIL CORP (USA)
SPECIFICATIONS
materialLEATHER OVERALL
coil_form_typeHOLLOW SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
overall_length0.630 INCHES MAXIMUM IN
mounting_methodTAB SINGLE GROUP
frequency_rating10.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
rim_surface_width0.073 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
mounting_tab_width0.012 INCHES NOMINAL IN
peripheral_diameter1.094 INCHES MINIMUM AND 1.104 INCHES MAXIMUM IN
center_hole_diameter0.766 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN
body_outside_diameter0.417 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
NSN5950-00-203-1211
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,RADIO FREQUENCY TITLE COMPONENT PN 1644-77 MFR TRANSFORMER,RADIO FREQ
KEY FEATURES
•
INCLOSURE TYPE: FULLY INCLOSED
•
BODY OUTSIDE DIAMETER: 0.417 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
•
MOUNTING METHOD: TAB SINGLE GROUP
•
ADJUSTMENT DEVICE DRIVE TYPE: SLOTTED SCREW SINGLE COMPONENT
•
ADJUSTMENT METHOD AND QUANTITY: 1 ADJUSTABLE CORE SINGLE COMPONENT
•
COIL FORM TYPE: HOLLOW SINGLE COMPONENT
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT
TECHNICAL CHARACTERISTICS
INCLOSURE TYPEFULLY INCLOSED
BODY OUTSIDE DIAMETER0.417 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
MOUNTING METHODTAB SINGLE GROUP
ADJUSTMENT DEVICE DRIVE TYPESLOTTED SCREW SINGLE COMPONENT
ADJUSTMENT METHOD AND QUANTITY1 ADJUSTABLE CORE SINGLE COMPONENT
OVERALL LENGTH0.630 INCHES MAXIMUM IN
COIL FORM TYPEHOLLOW SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT
DISTANCE BETWEEN MOUNTING FACILITY CENTERS0.410 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
RELIABILITY INDICATORNOT ESTABLISHED
SUBSTITUTES & CROSS-REFERENCES 4
666230-377Reference document
Same NSN cross-reference
Reference document — Secondary reference
372A19-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
809000-289Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C12CB1-36CReference 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 1644-77?
1644-77 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace 1644-77?
There are 4 known substitutes for 1644-77: 666230-377, 372A19-8, 809000-289 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1644-77?
1644-77 is cataloged in the U.S. Government catalog under NSN 5950-00-203-1211. This indicates validated use in U.S. government and defense supply chains.
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