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Technical Data Sheet
PartsTable / COMPONENT / K8238
K8238 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140, thread_class: 3A NUT THREAD A, thread_length: 1.875 INCHES NOMINAL NUT THREAD IN, overall_length: 11.125 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 1.125 INCHES STUD THREAD 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 5307-00-274-1411, 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
K8238
NSN: 5307-00-274-1411
FSC: 5307
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 4140
thread_class3A NUT THREAD A
thread_length1.875 INCHES NOMINAL NUT THREAD IN
overall_length11.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size1.125 INCHES STUD THREAD IN
thread_pitch_diameters+0.0351 TO 0.0381 INCHES STUD THREAD IN
thread_quantity_per_inch7 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
NSN5307-00-274-1411
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: K8238 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 1.125 INCHES NUT THREAD IN
•
THREAD CLASS: 3A NUT THREAD A
•
THREAD PITCH DIAMETERS: +0.0351 TO 0.0381 INCHES STUD THREAD IN
•
THREAD QUANTITY PER INCH: 7 NUT THREAD
•
MATERIAL: STEEL COMP 4140
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND STUD THREAD
NOMINAL THREAD SIZE1.125 INCHES NUT THREAD IN
NOMINAL THREAD SIZE1.125 INCHES STUD THREAD IN
THREAD CLASS3A NUT THREAD A
THREAD PITCH DIAMETERS+0.0351 TO 0.0381 INCHES STUD THREAD IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD QUANTITY PER INCH7 NUT THREAD
MATERIALSTEEL COMP 4140
OVERALL LENGTH11.125 INCHES NOMINAL IN
THREAD LENGTH2.2500 INCHES MINIMUM STUD THREAD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
VBE417-181Interchangeable
interchangeable cross-reference
interchangeable
082-38Interchangeable
interchangeable cross-reference
interchangeable
357-9039-000Interchangeable
interchangeable cross-reference
interchangeable
2040H25Interchangeable
interchangeable cross-reference
interchangeable
37619Interchangeable
interchangeable cross-reference
interchangeable
JT467AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K8238?
K8238 is a STUD,PLAIN.
What parts can replace K8238?
There are 17 known substitutes for K8238: VBE417-181, 082-38, 357-9039-000 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K8238?
K8238 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-274-1411. 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