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171-3002 — RING ASSEMBLY,CARBON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

171-3002: RING ASSEMBLY,CARBON.

The RING ASSEMBLY,CARBON is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 2920-00-947-5503, 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
171-3002
NSN: 2920-00-947-5503
NIINs: 009475503, 012018199, 015794516
FSC: 2920 — Engine Electrical System Components, Nonaircraft
CAGE: 27401 — CATERPILLAR PAVING PRODUCTS INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionC/O STEEL SEGMENTED CARBON RING,4.281 IN. O/A DIA,3.000 IN. ID,0.500 IN. THK WITH TAPERED EDGE; CRES RETAINING RING,4.500 IN. OD,4.125 IN. ID; STEEL SPRING; CRES KEY IN
NSN2920-00-947-5503
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING ASSEMBLY,CARBON TITLE COMPONENT PN 171-3002 MFR RING ASSEMBLY,CARBON
KEY FEATURES
•
FSC APPLICATION DATA: ENGINE ELECTRICAL SYSTEM,NONAIRCRAFT
•
DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER: 3.052 INCHES MINIMUM AND 3.072 INCHES MAXIMUM IN
•
SHAFT DRIVE END STYLE: STRAIGHT SHAFT END, THREADED, W/KEYWAY
•
DISTANCE BETWEEN OUTSIDE SURFACES OF HINGE BRACKET: 7.935 INCHES MINIMUM AND 7.959 INCHES MAXIMUM IN
•
GROUNDING METHOD: EXTERNAL
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THREAD SERIES: UN
•
DISTANCE FROM END TO KEYWAY CENTER: 0.900 INCHES NOMINAL IN
•
DISTANCE BETWEEN INSIDE SURFACES OF HINGE BRACKET: 7.115 INCHES MINIMUM AND 7.139 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAENGINE ELECTRICAL SYSTEM,NONAIRCRAFT
DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER3.052 INCHES MINIMUM AND 3.072 INCHES MAXIMUM IN
SHAFT DRIVE END STYLESTRAIGHT SHAFT END, THREADED, W/KEYWAY
DISTANCE BETWEEN OUTSIDE SURFACES OF HINGE BRACKET7.935 INCHES MINIMUM AND 7.959 INCHES MAXIMUM IN
GROUNDING METHODEXTERNAL
THREAD SERIESUN
DISTANCE FROM END TO KEYWAY CENTER0.900 INCHES NOMINAL IN
DISTANCE BETWEEN INSIDE SURFACES OF HINGE BRACKET7.115 INCHES MINIMUM AND 7.139 INCHES MAXIMUM IN
THREAD LENGTH0.460 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
BOTTOM MOUNTING HOLE DIAMETER0.379 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
1102288Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 171-3002?
171-3002 is a RING ASSEMBLY,CARBON.
What parts can replace 171-3002?
There is 1 known substitute for 171-3002: 1102288. Substitute compatibility should be verified for your specific system.
What is the NSN for 171-3002?
171-3002 is cataloged in the U.S. Government catalog under NSN 2920-00-947-5503. 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.