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Technical Data Sheet
PartsTable / COMPONENT / 2-18-178528
2-18-178528 ✓ 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,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A STUD THREAD A, thread_length: 0.969 INCHES NOMINAL STUD THREAD IN, overall_length: 3.656 INCHES NOMINAL IN, shoulder_length: 0.188 INCHES NOMINAL IN, style_designator: SHOULDERED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-455-0560, 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
2-18-178528
NSN: 5307-00-455-0560
FSC: 5307
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL
thread_class3A STUD THREAD A
thread_length0.969 INCHES NOMINAL STUD THREAD IN
overall_length3.656 INCHES NOMINAL IN
shoulder_length0.188 INCHES NOMINAL IN
style_designatorSHOULDERED
thread_directionRIGHT-HAND NUT THREAD
shoulder_diameter1.125 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES NUT THREAD IN
nut_end_shank_length0.625 INCHES NOMINAL IN
distance_across_flats0.938 INCHES NOMINAL IN
stud_end_shank_length0.186 INCHES NOMINAL IN
NSN5307-00-455-0560
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2-18-178528 · 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
•
MATERIAL: STEEL
•
SHOULDER LENGTH: 0.188 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NUT END SHANK DIAMETER: 0.781 INCHES NOMINAL IN
•
THREAD CLASS: 3A NUT THREAD A
•
SHOULDER DIAMETER: 1.125 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.750 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
SHOULDER LENGTH0.188 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
NUT END SHANK DIAMETER0.781 INCHES NOMINAL IN
THREAD CLASS3A NUT THREAD A
THREAD CLASS3A STUD THREAD A
SHOULDER DIAMETER1.125 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.750 INCHES STUD THREAD IN
DISTANCE ACROSS FLATS0.938 INCHES NOMINAL IN
STUD END SHANK DIAMETER0.781 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
SX410AInterchangeable
interchangeable cross-reference
interchangeable
900159Interchangeable
interchangeable cross-reference
interchangeable
SX410Interchangeable
interchangeable cross-reference
interchangeable
385LInterchangeable
interchangeable cross-reference
interchangeable
120218Interchangeable
interchangeable cross-reference
interchangeable
378A397H02REVAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-18-178528?
2-18-178528 is a STUD,SHOULDERED.
What parts can replace 2-18-178528?
There are 11 known substitutes for 2-18-178528: SX410A, 900159, SX410 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-18-178528?
2-18-178528 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-455-0560. 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