SA-521/A — Technical Data Sheet

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HPE · COMPONENT

WHAT YOU NEED TO KNOW

Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel

Confirm exact part number — similar PNs may be different parts

PRODUCT OVERVIEW

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include switch_type: NONTRANSFER, overall_width: 3.188 INCHES NOMINAL IN, overall_height: 2.750 INCHES NOMINAL IN, overall_length: 3.250 INCHES NOMINAL IN, frequency_rating: 0.0 GIGAHERTZ MINIMUM AND 1.2 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING, connector_end_design: FEMALE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5985-00-837-0000, 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

SA-521/A

NSN: 5985-00-837-0000
FSC: 5985
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

switch_type	NONTRANSFER
overall_width	3.188 INCHES NOMINAL IN
pole_quantity	1
overall_height	2.750 INCHES NOMINAL IN
overall_length	3.250 INCHES NOMINAL IN
throw_quantity	2
frequency_rating	0.0 GIGAHERTZ MINIMUM AND 1.2 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING
connector_end_design	FEMALE
actuator_voltage_in_volts	28.0 NOMINAL
rf_maximum_voltage_rating	1.0 KILOVOLTS PEAK
switch_operation_sequence	BREAKS BEFORE MAKES
coupling_position_quantity	2
NSN	5985-00-837-0000

COMPONENT DIAGRAM

VERIFIED SUBSTITUTES & CROSS-REFERENCES 3

CS319InterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

MIL-S-25879InterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

MILS25879AInterchangeableGOVERNMENT REGISTRY

Same NIIN cross-reference

interchangeable

LIFECYCLE

StatusACTIVEGOVERNMENT REGISTRY

AvailabilityOEM and secondary market

RoHS CompliantEAR99Not HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is SA-521/A?

SA-521/A is a SWITCH,RADIO FREQUENCY TRANSMISS manufactured by HPE.

What parts can replace SA-521/A?

There are 3 known substitutes for SA-521/A: CS319, MIL-S-25879, MILS25879A. Substitute compatibility should be verified for your specific system.

What is the NSN for SA-521/A?

SA-521/A is cataloged in the Federal Logistics Information System under NSN 5985-00-837-0000. This indicates validated use in U.S. government and defense supply chains.

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SA-521/A — Technical Data Sheet

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