PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 18A32310
18A32310 ✓ 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 3120H OR STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 4340, thread_length: 1.219 INCHES MAXIMUM STUD THREAD IN, overall_length: 3.188 INCHES MINIMUM AND 3.313 INCHES MAXIMUM IN, shoulder_length: 0.188 INCHES NOMINAL IN, style_designator: SHOULDERED AND STEPPED, thread_direction: RIGHT-HAND STUD THREAD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-359-1260, 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
18A32310
NSN: 5307-00-359-1260
FSC: 5307
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
materialSTEEL COMP 3120H OR STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 4340
thread_length1.219 INCHES MAXIMUM STUD THREAD IN
overall_length3.188 INCHES MINIMUM AND 3.313 INCHES MAXIMUM IN
shoulder_length0.188 INCHES NOMINAL IN
style_designatorSHOULDERED AND STEPPED
thread_directionRIGHT-HAND STUD THREAD
shoulder_diameter1.125 INCHES MINIMUM AND 1.219 INCHES MAXIMUM IN
nominal_thread_size1.125 INCHES STUD THREAD IN
nut_end_shank_length0.750 INCHES NOMINAL IN
distance_across_flats0.938 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN
stud_end_shank_length0.187 INCHES NOMINAL IN
nut_end_shank_diameter0.783 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN
NSN5307-00-359-1260
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 18A32310 · 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 LENGTH: 0.969 INCHES MAXIMUM NUT THREAD IN
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
THREAD PITCH DIAMETERS: +1.0764 TO 1.0804 INCHES STUD THREAD IN
•
THREAD QUANTITY PER INCH: 16 STUD THREAD
•
SHOULDER DIAMETER: 1.125 INCHES MINIMUM AND 1.219 INCHES MAXIMUM IN
•
STUD END SHANK LENGTH: 0.187 INCHES NOMINAL IN
•
NUT END SHANK DIAMETER: 0.783 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.750 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.969 INCHES MAXIMUM NUT THREAD IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD PITCH DIAMETERS+1.0764 TO 1.0804 INCHES STUD THREAD IN
THREAD QUANTITY PER INCH16 STUD THREAD
SHOULDER DIAMETER1.125 INCHES MINIMUM AND 1.219 INCHES MAXIMUM IN
STUD END SHANK LENGTH0.187 INCHES NOMINAL IN
NUT END SHANK DIAMETER0.783 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.750 INCHES NUT THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE
STYLE DESIGNATORSHOULDERED AND STEPPED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
150155Interchangeable
interchangeable cross-reference
interchangeable
B118AInterchangeable
interchangeable cross-reference
interchangeable
124553Interchangeable
interchangeable cross-reference
interchangeable
103934Interchangeable
interchangeable cross-reference
interchangeable
1032Interchangeable
interchangeable cross-reference
interchangeable
109D01129-0006Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 18A32310?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 18A32310?
18A32310 is a STUD,SHOULDERED AND STEPPED.
What parts can replace 18A32310?
There are 21 known substitutes for 18A32310: 150155, B118A, 124553 and 18 more. Substitute compatibility should be verified for your specific system.
Is 18A32310 still available?
18A32310 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 18A32310

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026