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Technical Data Sheet
PartsTable / COMPONENT / 8331334
8331334 ✓ 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 AND STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020, thread_class: 2A STUD THREAD A, thread_length: 0.312 INCHES MINIMUM STUD THREAD IN, overall_length: 1.312 INCHES NOMINAL IN, shoulder_length: 0.125 INCHES NOMINAL IN, style_designator: SHOULDERED AND STEPPED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-695-7124, 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
8331334
NSN: 5307-00-695-7124
FSC: 5307
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1020
thread_class2A STUD THREAD A
thread_length0.312 INCHES MINIMUM STUD THREAD IN
overall_length1.312 INCHES NOMINAL IN
shoulder_length0.125 INCHES NOMINAL IN
style_designatorSHOULDERED AND STEPPED
thread_directionRIGHT-HAND STUD THREAD
shoulder_diameter0.438 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
nominal_thread_size0.250 INCHES STUD THREAD IN
nut_end_shank_length0.375 INCHES NOMINAL IN
nut_end_shank_diameter0.186 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
NSN5307-00-695-7124
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8331334 · 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 QUANTITY PER INCH: 20 STUD THREAD
•
SHOULDER DIAMETER: 0.438 INCHES NOMINAL IN
•
THREAD CLASS: 2A STUD THREAD A
•
THREAD LENGTH: 0.312 INCHES MINIMUM STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 1020
•
SHOULDER LENGTH: 0.125 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.250 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH20 STUD THREAD
SHOULDER DIAMETER0.438 INCHES NOMINAL IN
THREAD CLASS2A STUD THREAD A
THREAD LENGTH0.312 INCHES MINIMUM STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 1020
SHOULDER LENGTH0.125 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.250 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.190 INCHES NUT THREAD IN
STUD END SHANK DIAMETER0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
3246FXInterchangeable
interchangeable cross-reference
interchangeable
121207Interchangeable
interchangeable cross-reference
interchangeable
A733S-49CFBInterchangeable
interchangeable cross-reference
interchangeable
121-207 REV CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8331334?
8331334 is a STUD,SHOULDERED AND STEPPED.
What parts can replace 8331334?
There are 4 known substitutes for 8331334: 3246FX, 121207, A733S-49CFB and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8331334?
8331334 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-695-7124. 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