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PartsTable / COMPONENT / BB39290
BB39290 ✓ 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 1213, thread_class: 3A STUD THREAD A, thread_length: 0.562 INCHES MINIMUM STUD THREAD IN, overall_length: 2.625 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL, nominal_thread_size: 0.312 INCHES NUT 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 5307-00-350-6735, 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
BB39290
NSN: 5307-00-350-6735
FSC: 5307
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1213
thread_class3A STUD THREAD A
thread_length0.562 INCHES MINIMUM STUD THREAD IN
overall_length2.625 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.312 INCHES NUT THREAD IN
thread_pitch_diameters+0.2780 TO 0.2800 INCHES NUT THREAD IN
thread_quantity_per_inch24 STUD THREAD
thread_series_designatorUNS NUT THREAD
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE
NSN5307-00-350-6735
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BB39290 · 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: 24 STUD THREAD
•
THREAD PITCH DIAMETERS: +0.2780 TO 0.2800 INCHES NUT THREAD IN
•
THREAD SERIES DESIGNATOR: UNS NUT THREAD
•
NOMINAL THREAD SIZE: 0.312 INCHES STUD THREAD IN
•
MATERIAL: STEEL COMP 1213
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH24 STUD THREAD
THREAD PITCH DIAMETERS+0.2780 TO 0.2800 INCHES NUT THREAD IN
THREAD SERIES DESIGNATORUNS NUT THREAD
OVERALL LENGTH2.625 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF STUD THREAD
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD IN
MATERIALSTEEL COMP 1213
NOMINAL THREAD SIZE0.312 INCHES NUT THREAD IN
THREAD CLASS3A STUD THREAD A
THREAD QUANTITY PER INCH18 NUT THREAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
370679Interchangeable
interchangeable cross-reference
interchangeable
203479Interchangeable
interchangeable cross-reference
interchangeable
28000-3Interchangeable
interchangeable cross-reference
interchangeable
234-113Interchangeable
interchangeable cross-reference
interchangeable
210-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BB39290?
BB39290 is a STUD,PLAIN.
What parts can replace BB39290?
There are 5 known substitutes for BB39290: 370679, 203479, 28000-3 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BB39290?
BB39290 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-350-6735. 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