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161121 — LINE,RADIO FREQUENCY TRANSMISSIO

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

161121: LINE,RADIO FREQUENCY TRANSMISSIO.

LINE,RADIO FREQUENCY TRANSMISSIO. Key specifications include length: 77.260 INCHES NOMINAL IN, diameter: 7.250 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, style_designator: STRAIGHT PLAIN TUBE CYLINDRICAL, heat_transfer_method: INDIRECT, end_item_identification: RADAR SET AN/SPS-40. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-194-9785, 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
161121
NSN: 5985-01-194-9785
NIINs: 011949785, 012255919
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 21877 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
length77.260 INCHES NOMINAL IN
diameter7.250 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
style_designatorSTRAIGHT PLAIN TUBE CYLINDRICAL
heat_transfer_methodINDIRECT
end_item_identificationRADAR SET AN/SPS-40
tubing_outside_diameter0.250 INCHES NOMINAL BOTH INLET AND OUTLET TUBE ENDS IN
accommodated_conductor_typePARALLEL
NSN5985-01-194-9785
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LINE,RADIO FREQUENCY TRANSMISSIO TITLE COMPONENT PN 161121 MFR LINE,RADIO FREQUENCY T
KEY FEATURES
•
ACCOMMODATED CONDUCTOR TYPE: PARALLEL
TECHNICAL CHARACTERISTICS
ACCOMMODATED CONDUCTOR TYPEPARALLEL
END ITEM IDENTIFICATIONRADAR SET AN/SPS-40
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 161121?
161121 is a LINE,RADIO FREQUENCY TRANSMISSIO.
What is the NSN for 161121?
161121 is cataloged in the U.S. Government catalog under NSN 5985-01-194-9785. 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.