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R-1123 — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

R-1123: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: STEEL, bore_diameter: 1.1170 INCHES NOMINAL IN, overall_length: 9.016 INCHES NOMINAL IN, bore_counterbore: NOT INCLUDED, bore_countersink: INCLUDED, outside_diameter: 2.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-423-4563, 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
R-1123
NSN: 2815-00-423-4563
FSC: 2815 — Diesel Engines and Components
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
materialSTEEL
bore_diameter1.1170 INCHES NOMINAL IN
overall_length9.016 INCHES NOMINAL IN
bore_counterboreNOT INCLUDED
bore_countersinkINCLUDED
outside_diameter2.125 INCHES NOMINAL IN
special_featuresRECESSED SHOULDER 0.250 IN.WIDE,1.970 IN.DIA,4.971 IN.FROM BORE COUNTER SINK END IN
style_designatorPLAIN, SHOULDERED
countersink_length0.075 INCHES NOMINAL IN
countersink_diameter1.267 INCHES NOMINAL IN
countersink_locationBB END
aa_end_chamfer_length0.125 INCHES NOMINAL IN
NSN2815-00-423-4563
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN R-1123 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
•
COUNTERSINK ANGLE IN DEG: 45.0
•
AA END CHAMFER ANGLE IN DEG: 45.0
•
COUNTERSINK DIAMETER: 1.267 INCHES NOMINAL IN
•
AA END CHAMFER LENGTH: 0.125 INCHES NOMINAL IN
•
MAJOR DIAMETER LENGTH: 3.795 INCHES NOMINAL IN
•
BB END SHANK DIAMETER: 1.866 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN, SHOULDERED
TECHNICAL CHARACTERISTICS
COUNTERSINK ANGLE IN DEG45.0
AA END CHAMFER ANGLE IN DEG45.0
COUNTERSINK DIAMETER1.267 INCHES NOMINAL IN
AA END CHAMFER LENGTH0.125 INCHES NOMINAL IN
MAJOR DIAMETER LENGTH3.795 INCHES NOMINAL IN
BB END SHANK DIAMETER1.866 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN, SHOULDERED
OVERALL LENGTH9.016 INCHES NOMINAL IN
BORE COUNTERBORENOT INCLUDED
OUTSIDE DIAMETER2.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
9866Reference document
Same NSN cross-reference
Reference document — Secondary reference
49866-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R-1123?
R-1123 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace R-1123?
There are 2 known substitutes for R-1123: 9866, 49866-1. Substitute compatibility should be verified for your specific system.
What is the NSN for R-1123?
R-1123 is cataloged in the U.S. Government catalog under NSN 2815-00-423-4563. 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.