742991-4 — FILTER,RADIO FREQUENCY INTERFERE

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

742991-4: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include body_length: 4.812 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, special_features: METAL CASE, style_designator: ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES, nominal_thread_size: 0.625 INCHES IN, body_outside_diameter: 1.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5915-00-686-8356, 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→ 742991-4

NSN: 5915-00-686-8356
FSC: 5915 — Filters and Networks
CAGE: 80045 — L3HARRIS CINCINNATI ELECTRONICS CORPORATION (USA)

SPECIFICATIONS

body_length	4.812 INCHES NOMINAL IN
inclosure_type	HERMETICALLY SEALED
special_features	METAL CASE
style_designator	ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
nominal_thread_size	0.625 INCHES IN
body_outside_diameter	1.500 INCHES NOMINAL IN
load_impedance_per_function	50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_type_and_quantity	1 THREADED BUSHING THIRD FUNCTION
source_impedance_rating_per_function	50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
functional_terminal_type_and_quantity	1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
operating_voltage_rating_and_type_per_function	208.0 VOLTS AC SINGLE RADIO INTERFERENCE LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_screw_thread_series_designator	UNEF
NSN	5915-00-686-8356

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED BUSHING THIRD FUNCTION

•

INCLOSURE TYPE: HERMETICALLY SEALED

•

POWER LINE FREQUENCY RATING PER FUNCTION IN HERTZ: 60.0 BLANK LOCATION NOT OTHERWISE SPECIFIED

•

FUNCTIONAL TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG INPUT FIRST FUNCTION

•

BODY OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN

•

SOURCE IMPEDANCE RATING PER FUNCTION: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED

•

STYLE DESIGNATOR: ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING THIRD FUNCTION
INCLOSURE TYPE	HERMETICALLY SEALED
POWER LINE FREQUENCY RATING PER FUNCTION IN HERTZ	60.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
FUNCTIONAL TERMINAL TYPE AND QUANTITY	1 TAB, SOLDER LUG INPUT FIRST FUNCTION
FUNCTIONAL TERMINAL TYPE AND QUANTITY	1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
BODY OUTSIDE DIAMETER	1.500 INCHES NOMINAL IN
SOURCE IMPEDANCE RATING PER FUNCTION	50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
STYLE DESIGNATOR	ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR	UNEF
NOMINAL THREAD SIZE	0.625 INCHES IN

OTHER ITEMS IN FSC 5915 — Filters and Networks

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5915-00-000-0148 5915-00-001-1389 5915-00-001-1621 5915-00-001-2789 5915-00-001-2928 5915-00-001-2936 5915-00-001-3003 5915-00-001-3117

SUBSTITUTES & CROSS-REFERENCES 3

SK25955Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

FA3137Reference document

Same NSN cross-reference

Reference document — Secondary reference

SP245Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

HAZMAT per U.S. Government catalogNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 742991-4?

742991-4 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).

What parts can replace 742991-4?

There are 3 known substitutes for 742991-4: SK25955, FA3137, SP245. Substitute compatibility should be verified for your specific system.

What is the NSN for 742991-4?

742991-4 is cataloged in the U.S. Government catalog under NSN 5915-00-686-8356. This indicates validated use in U.S. government and defense supply chains.

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742991-4 — FILTER,RADIO FREQUENCY INTERFERE

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