421A1 — RESISTOR,VARIABLE,WIRE WOUND,PRE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

421A1: RESISTOR,VARIABLE,WIRE WOUND,PRE.

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include body_length: 0.750 INCHES NOMINAL IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, inclosure_type: FULLY INCLOSED, inductance_type: FIXED, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 800.0 HERTZ NOMINAL SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-481-1381, 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

421A1

NSN: 5950-00-481-1381
FSC: 5950 — Coils and Transformers
CAGE: 72149 — ELECTRONIC TRANSFORMER CORP DIV ELECTRONIC TRANSFORMER CORPORATION (USA)

SPECIFICATIONS

body_length	0.750 INCHES NOMINAL IN
rating_method	ELECTRICAL SINGLE COMPONENT SINGLE WINDING
inclosure_type	FULLY INCLOSED
inductance_type	FIXED
mounting_method	UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating	800.0 HERTZ NOMINAL SINGLE COMPONENT
overall_diameter	1.516 INCHES NOMINAL IN
winding_quantity	1 SINGLE COMPONENT
inductance_rating	100.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
reliability_indicator	NOT ESTABLISHED
maximum_operating_temp	85.0 CELSIUS DEGC
mounting_hole_diameter	0.156 INCHES NOMINAL SINGLE GROUP IN
NSN	5950-00-481-1381

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY QUANTITY: 1 SINGLE GROUP

•

INCLOSURE TYPE: FULLY INCLOSED

•

OVERALL DIAMETER: 1.516 INCHES NOMINAL IN

•

MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE GROUP

•

INDUCTANCE RATING: 100.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING

•

MOUNTING HOLE DIAMETER: 0.156 INCHES NOMINAL SINGLE GROUP IN

•

MAXIMUM OPERATING TEMP: 85.0 CELSIUS DEGC

•

BODY LENGTH: 0.750 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY QUANTITY	1 SINGLE GROUP
INCLOSURE TYPE	FULLY INCLOSED
OVERALL DIAMETER	1.516 INCHES NOMINAL IN
MOUNTING METHOD	UNTHREADED HOLE(S) SINGLE GROUP
INDUCTANCE RATING	100.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
MOUNTING HOLE DIAMETER	0.156 INCHES NOMINAL SINGLE GROUP IN
MAXIMUM OPERATING TEMP	85.0 CELSIUS DEGC
BODY LENGTH	0.750 INCHES NOMINAL IN
WINDING OPERATING CURRENT	100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
RATING METHOD	ELECTRICAL SINGLE COMPONENT SINGLE WINDING

SUBSTITUTES & CROSS-REFERENCES 2

162209Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

K5471Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 421A1?

421A1 is a RESISTOR,VARIABLE,WIRE WOUND,PRE.

What parts can replace 421A1?

There are 2 known substitutes for 421A1: 162209, K5471. Substitute compatibility should be verified for your specific system.

What is the NSN for 421A1?

421A1 is cataloged in the U.S. Government catalog under NSN 5950-00-481-1381. This indicates validated use in U.S. government and defense supply chains.

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421A1 — RESISTOR,VARIABLE,WIRE WOUND,PRE

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