1821-A-04 — FILTER,BAND SUPPRESSION

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

1821-A-04: FILTER,BAND SUPPRESSION.

The FILTER,BAND SUPPRESSION is a the manufacturer industrial component. Key specifications include body_width: 2.250 INCHES NOMINAL IN, body_height: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN, body_length: 2.470 INCHES MINIMUM AND 2.530 INCHES MAXIMUM IN, body_material: METAL, inclosure_type: HERMETICALLY SEALED, overall_length: 3.260 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5915-01-208-4777, 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→ 1821-A-04

NSN: 5915-01-208-4777
FSC: 5915 — Filters and Networks
CAGE: 25223 — AXILLON AEROSPACE (BALTIMORE) INC. (USA)

SPECIFICATIONS

body_width	2.250 INCHES NOMINAL IN
body_height	0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
body_length	2.470 INCHES MINIMUM AND 2.530 INCHES MAXIMUM IN
body_material	METAL
inclosure_type	HERMETICALLY SEALED
overall_length	3.260 INCHES NOMINAL IN
style_designator	RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
operating_temp_range	-40.0 TO 80.0 CELSIUS DEGC
unthreaded_mounting_hole_diameter	0.145 INCHES NOMINAL IN
mounting_facility_type_and_quantity	4 UNTHREADED HOLE(S) ALL FUNCTIONS
vibration_resistance_range_in_hertz	+4.0 TO 2000.0
source_impedance_rating_per_function	50.0 OHMS 2ND BAND SUPPRESSION SECOND FUNCTION
NSN	5915-01-208-4777

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S) ALL FUNCTIONS

•

INCLOSURE TYPE: HERMETICALLY SEALED

•

FUNCTIONAL TERMINAL TYPE AND QUANTITY: 4 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION

•

SOURCE IMPEDANCE RATING PER FUNCTION: 50.0 OHMS 1ST BAND SUPPRESSION FIRST FUNCTION

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE(S) ALL FUNCTIONS
INCLOSURE TYPE	HERMETICALLY SEALED
FUNCTIONAL TERMINAL TYPE AND QUANTITY	4 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION
FUNCTIONAL TERMINAL TYPE AND QUANTITY	4 CONNECTOR, RECEPTACLE OUTPUT SECOND FUNCTION
SOURCE IMPEDANCE RATING PER FUNCTION	50.0 OHMS 1ST BAND SUPPRESSION FIRST FUNCTION
SOURCE IMPEDANCE RATING PER FUNCTION	50.0 OHMS 2ND BAND SUPPRESSION SECOND FUNCTION
SOURCE IMPEDANCE RATING PER FUNCTION	50.0 OHMS 3RD BAND SUPPRESSION THIRD FUNCTION
SOURCE IMPEDANCE RATING PER FUNCTION	50.0 OHMS 4TH BAND SUPPRESSION FOURTH FUNCTION
VIBRATION RESISTANCE RANGE IN HERTZ	+4.0 TO 2000.0
BODY WIDTH	2.250 INCHES NOMINAL 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 1

1041553-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 1821-A-04?

1821-A-04 is a FILTER,BAND SUPPRESSION. It is classified as a MRO (MRO_GENERAL).

What parts can replace 1821-A-04?

There is 1 known substitute for 1821-A-04: 1041553-4. Substitute compatibility should be verified for your specific system.

What is the NSN for 1821-A-04?

1821-A-04 is cataloged in the U.S. Government catalog under NSN 5915-01-208-4777. This indicates validated use in U.S. government and defense supply chains.

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