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1040A0421-0002 — SWITCH,RADIO FREQUENCY TRANSMISS

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1040A0421-0002: SWITCH,RADIO FREQUENCY TRANSMISS.

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include switch_type: NONTRANSFER, operating_temp_range: -40.0 TO 95.0 CELSIUS DEGC, end_item_identification: RADAR SET,AN/APN-217, insertion_loss_in_decibels: 3.10 SINGLE. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-208-0374, 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
1040A0421-0002
NSN: 5985-01-208-0374
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
switch_typeNONTRANSFER
pole_quantity1
throw_quantity4
operating_temp_range-40.0 TO 95.0 CELSIUS DEGC
end_item_identificationRADAR SET,AN/APN-217
insertion_loss_in_decibels3.10 SINGLE
NSN5985-01-208-0374
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,RADIO FREQUENCY TRANSMISS TITLE COMPONENT PN 1040A0421-0002 MFR SWITCH,RADIO FREQUENCY
KEY FEATURES
•
POLE QUANTITY: 1
•
SWITCH TYPE: NONTRANSFER
•
INSERTION LOSS IN DECIBELS: 3.10 SINGLE
•
OPERATING TEMP RANGE: -40.0 TO 95.0 CELSIUS DEGC
•
THROW QUANTITY: 4
TECHNICAL CHARACTERISTICS
POLE QUANTITY1
SWITCH TYPENONTRANSFER
INSERTION LOSS IN DECIBELS3.10 SINGLE
OPERATING TEMP RANGE-40.0 TO 95.0 CELSIUS DEGC
END ITEM IDENTIFICATIONRADAR SET,AN/APN-217
THROW QUANTITY4
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
1040A0421-2Reference 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 1040A0421-0002?
1040A0421-0002 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace 1040A0421-0002?
There is 1 known substitute for 1040A0421-0002: 1040A0421-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 1040A0421-0002?
1040A0421-0002 is cataloged in the U.S. Government catalog under NSN 5985-01-208-0374. 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.