521978-1 — FILTER,RADIO FREQUENCY INTERFERE

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

521978-1: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include body_width: 2.000 INCHES NOMINAL IN, body_height: 1.750 INCHES NOMINAL IN, inclosure_type: ENCASED, overall_length: 6.370 INCHES NOMINAL IN, style_designator: RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES, load_impedance_per_function: 50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION. This part is cataloged in the U.S.

Government catalog under NSN 5915-01-168-0774, 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

MRO→ MRO_GENERAL→ 521978-1

NSN: 5915-01-168-0774
FSC: 5915 — Filters and Networks
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)

SPECIFICATIONS

body_width	2.000 INCHES NOMINAL IN
body_height	1.750 INCHES NOMINAL IN
inclosure_type	ENCASED
overall_length	6.370 INCHES NOMINAL IN
style_designator	RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
load_impedance_per_function	50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
source_impedance_rating_per_function	50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION
functional_terminal_type_and_quantity	2 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
principal_circuitry_type_per_function	INDUCTANCE-CAPACITANCE 2ND RADIO INTERFERENCE SECOND FUNCTION
maximum_dielectric_withstanding_dc_voltage	2.25 KILOVOLTS AT SEA LEVEL
operating_current_rating_per_function_in_amps	3.0 2ND RADIO INTERFERENCE SECOND FUNCTION
operating_voltage_rating_and_type_per_function	250.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION
NSN	5915-01-168-0774

COMPONENT DIAGRAM

KEY FEATURES

•

MAXIMUM DIELECTRIC WITHSTANDING DC VOLTAGE: 2.25 KILOVOLTS AT SEA LEVEL

•

INCLOSURE TYPE: ENCASED

•

POWER LINE FREQUENCY RATING PER FUNCTION IN HERTZ: 60.0 2ND RADIO INTERFERENCE SECOND FUNCTION

•

FUNCTIONAL TERMINAL TYPE AND QUANTITY: 2 TAB, SOLDER LUG GROUND THIRD FUNCTION

•

SOURCE IMPEDANCE RATING PER FUNCTION: 50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION

TECHNICAL CHARACTERISTICS

MAXIMUM DIELECTRIC WITHSTANDING DC VOLTAGE	2.25 KILOVOLTS AT SEA LEVEL
INCLOSURE TYPE	ENCASED
POWER LINE FREQUENCY RATING PER FUNCTION IN HERTZ	60.0 2ND RADIO INTERFERENCE SECOND FUNCTION
POWER LINE FREQUENCY RATING PER FUNCTION IN HERTZ	60.0 1ST RADIO INTERFERENCE FIRST FUNCTION
FUNCTIONAL TERMINAL TYPE AND QUANTITY	2 TAB, SOLDER LUG GROUND THIRD FUNCTION
FUNCTIONAL TERMINAL TYPE AND QUANTITY	2 TAB, SOLDER LUG INPUT FIRST FUNCTION
FUNCTIONAL TERMINAL TYPE AND QUANTITY	2 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
SOURCE IMPEDANCE RATING PER FUNCTION	50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
SOURCE IMPEDANCE RATING PER FUNCTION	50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION
BODY WIDTH	2.000 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 2

3SP1ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

447-0345-006Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — mutilation + specific procedure

Ready to buy 521978-1?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is 521978-1?

521978-1 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).

What parts can replace 521978-1?

There are 2 known substitutes for 521978-1: 3SP1A, 447-0345-006. Substitute compatibility should be verified for your specific system.

What is the NSN for 521978-1?

521978-1 is cataloged in the U.S. Government catalog under NSN 5915-01-168-0774. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

521978-1 — FILTER,RADIO FREQUENCY INTERFERE

Request a Quote — 521978-1