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AR4187 — ATTENUATOR,VARIABLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

AR4187: ATTENUATOR,VARIABLE.

The ATTENUATOR,VARIABLE is a the manufacturer industrial component. Key specifications include special_features: HIGH POWER VARIABLE ATTENUATOR, end_item_identification: RSRP RADAR SYSTEM. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-499-3182, 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
AR4187
NSN: 5985-01-499-3182
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 09992 — ANTENNA & RADOME RESEARCH ASSOCIATES CORP DBA ARRA INC DIV ARRA INC (USA)
SPECIFICATIONS
special_featuresHIGH POWER VARIABLE ATTENUATOR
end_item_identificationRSRP RADAR SYSTEM
NSN5985-01-499-3182
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ATTENUATOR,VARIABLE TITLE COMPONENT PN AR4187 MFR ATTENUATOR,VARIABLE
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESHIGH POWER VARIABLE ATTENUATOR
END ITEM IDENTIFICATIONRSRP RADAR SYSTEM
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is AR4187?
AR4187 is a ATTENUATOR,VARIABLE.
What is the NSN for AR4187?
AR4187 is cataloged in the U.S. Government catalog under NSN 5985-01-499-3182. 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.