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8438-S621 — SWITCH,RADIO FREQUENCY TRANSMISS

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8438-S621: SWITCH,RADIO FREQUENCY TRANSMISS.

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include body_style: RECTANGULAR, switch_type: NONTRANSFER, overall_width: 0.750 INCHES NOMINAL IN, overall_height: 1.500 INCHES NOMINAL IN, overall_length: 2.000 INCHES NOMINAL IN, switching_time: 1.0 MICROSECONDS US. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-293-3321, 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
8438-S621
NSN: 5985-01-293-3321
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 96341 — COBHAM ADVANCED ELECTRONIC SOLUTIONS INC. (USA)
SPECIFICATIONS
body_styleRECTANGULAR
switch_typeNONTRANSFER
overall_width0.750 INCHES NOMINAL IN
pole_quantity1
overall_height1.500 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
switching_time1.0 MICROSECONDS US
throw_quantity4
connector_end_designFEMALE
operating_temp_range-54.0 TO 95.0 CELSIUS DEGC
actuator_voltage_in_volts5.0 MINIMUM AND 15.0 MAXIMUM
switch_operation_sequenceBREAKS BEFORE MAKES
NSN5985-01-293-3321
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,RADIO FREQUENCY TRANSMISS TITLE COMPONENT PN 8438-S621 MFR SWITCH,RADIO FREQUENCY
KEY FEATURES
•
SWITCHING TIME: 1.0 MICROSECONDS US
•
BODY STYLE: RECTANGULAR
•
ACTUATOR VOLTAGE IN VOLTS: 5.0 MINIMUM AND 15.0 MAXIMUM
•
POLE QUANTITY: 1
•
CONNECTOR END DESIGN: FEMALE
TECHNICAL CHARACTERISTICS
SWITCHING TIME1.0 MICROSECONDS US
OVERALL HEIGHT1.500 INCHES NOMINAL IN
BODY STYLERECTANGULAR
ACTUATOR VOLTAGE IN VOLTS5.0 MINIMUM AND 15.0 MAXIMUM
POLE QUANTITY1
CONNECTOR END DESIGNFEMALE
OVERALL LENGTH2.000 INCHES NOMINAL IN
OVERALL WIDTH0.750 INCHES NOMINAL IN
ACTUATOR CURRENT TYPE AND RATING IN AMPS0.1 DC MINIMUM AND 0.2 DC MAXIMUM
COUPLING POSITION QUANTITY5
OTHER ITEMS IN FSC 5985 — Antennas, Waveguides, and Related Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5985-00-001-1854 5985-00-001-1862 5985-00-001-1869 5985-00-001-1870 5985-00-001-1871 5985-00-001-1874 5985-00-001-1875 5985-00-001-1876
SUBSTITUTES & CROSS-REFERENCES 1
MA8438-S621Reference 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
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FREQUENTLY ASKED QUESTIONS
What is 8438-S621?
8438-S621 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace 8438-S621?
There is 1 known substitute for 8438-S621: MA8438-S621. Substitute compatibility should be verified for your specific system.
What is the NSN for 8438-S621?
8438-S621 is cataloged in the U.S. Government catalog under NSN 5985-01-293-3321. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.