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PartsTable / COMPONENT / 187338R1
187338R1 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 10.688 INCHES NOMINAL IN, first_end_style: PLAIN, second_end_style: EXTERNAL THREADED, first_end_diameter: 1.0060 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-495-7936, 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
187338R1
NSN: 3040-00-495-7936
FSC: 3040
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
materialSTEEL
step_quantity6
end_similarityNOT IDENTICAL
overall_length10.688 INCHES NOMINAL IN
first_end_stylePLAIN
second_end_styleEXTERNAL THREADED
first_end_diameter1.0060 INCHES NOMINAL IN
second_end_diameter1.2500 INCHES NOMINAL IN
largest_step_diameter2.259 INCHES NOMINAL IN
second_end_external_thread_length0.750 INCHES NOMINAL IN
NSN3040-00-495-7936
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 187338R1 MFR SHAFT,SHOULDERED
KEY FEATURES
•
LARGEST STEP DIAMETER: 2.259 INCHES NOMINAL IN
•
END SIMILARITY: NOT IDENTICAL
•
SECOND END EXTERNAL THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
SECOND END STYLE: EXTERNAL THREADED
•
STEP QUANTITY: 6
•
FIRST END DIAMETER: 1.0060 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LARGEST STEP DIAMETER2.259 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
SECOND END EXTERNAL THREAD LENGTH0.750 INCHES NOMINAL IN
OVERALL LENGTH10.688 INCHES NOMINAL IN
MATERIALSTEEL
SECOND END STYLEEXTERNAL THREADED
STEP QUANTITY6
FIRST END DIAMETER1.0060 INCHES NOMINAL IN
FIRST END STYLEPLAIN
SECOND END DIAMETER1.2500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
73244Interchangeable
interchangeable cross-reference
interchangeable
25PREDInterchangeable
interchangeable cross-reference
interchangeable
TA120RCInterchangeable
interchangeable cross-reference
interchangeable
95-0931Interchangeable
interchangeable cross-reference
interchangeable
20-58448-3Interchangeable
interchangeable cross-reference
interchangeable
41000-100-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 187338R1?
187338R1 is a SHAFT,SHOULDERED.
What parts can replace 187338R1?
There are 18 known substitutes for 187338R1: 73244, 25PRED, TA120RC and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 187338R1?
187338R1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-495-7936. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026