N9-439E903 — SWITCH,RADIO FREQUENCY TRANSMISS

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

N9-439E903: SWITCH,RADIO FREQUENCY TRANSMISS.

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include overall_width: 3.20 INCHES NOMINAL IN, overall_height: 3.20 INCHES NOMINAL IN, special_features: COAX RELAY, end_item_identification: B-52 AIRCRAFT, terminal_type_and_quantity: 21 PIN, part_name_assigned_by_controlling_agency: SWITCH,RADIO FREQUENCY TRANSMISSION LINE. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-686-3409, 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

N9-439E903

NSN: 5985-01-686-3409
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 08719 — DUCOMMUN LABARGE TECHNOLOGIES, INC DBA DUCOMMUN LABARGE TECHNOLOGIES, INC (USA)

SPECIFICATIONS

overall_width	3.20 INCHES NOMINAL IN
overall_height	3.20 INCHES NOMINAL IN
special_features	COAX RELAY
end_item_identification	B-52 AIRCRAFT
terminal_type_and_quantity	21 PIN
part_name_assigned_by_controlling_agency	SWITCH,RADIO FREQUENCY TRANSMISSION LINE
NSN	5985-01-686-3409

COMPONENT DIAGRAM

KEY FEATURES

•

TERMINAL TYPE AND QUANTITY: 21 PIN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	3.20 INCHES NOMINAL IN
OVERALL WIDTH	3.20 INCHES NOMINAL IN
SPECIAL FEATURES	COAX RELAY
PART NAME ASSIGNED BY CONTROLLING AGENCY	SWITCH,RADIO FREQUENCY TRANSMISSION LINE
END ITEM IDENTIFICATION	B-52 AIRCRAFT
TERMINAL TYPE AND QUANTITY	21 PIN

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

380-10503-3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is N9-439E903?

N9-439E903 is a SWITCH,RADIO FREQUENCY TRANSMISS.

What parts can replace N9-439E903?

There is 1 known substitute for N9-439E903: 380-10503-3. Substitute compatibility should be verified for your specific system.

What is the NSN for N9-439E903?

N9-439E903 is cataloged in the U.S. Government catalog under NSN 5985-01-686-3409. This indicates validated use in U.S. government and defense supply chains.

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N9-439E903 — SWITCH,RADIO FREQUENCY TRANSMISS

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