PartsTable
Technical Data Sheet
BB16256 ✓ 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 3135 OR STEEL COMP 4140, thread_class: 3A NUT THREAD A, thread_length: 0.687 INCHES MINIMUM STUD THREAD IN, overall_length: 1.688 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.438 INCHES STUD THREAD IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-206-8505, 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
BB16256
NSN: 5307-00-206-8505
FSC: 5307
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 3135 OR STEEL COMP 4140
thread_class3A NUT THREAD A
thread_length0.687 INCHES MINIMUM STUD THREAD IN
overall_length1.688 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.438 INCHES STUD THREAD IN
thread_pitch_diameters+0.3941 TO 0.3971 INCHES STUD THREAD IN
thread_quantity_per_inch14 STUD THREAD
thread_series_designatorUNF NUT THREAD
NSN5307-00-206-8505
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BB16256 · 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: 14 STUD THREAD
THREAD SERIES DESIGNATOR: UNS STUD THREAD
THREAD LENGTH: 0.687 INCHES MINIMUM STUD THREAD IN
THREAD DIRECTION: RIGHT-HAND STUD THREAD
THREAD PITCH DIAMETERS: +0.3941 TO 0.3971 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH14 STUD THREAD
THREAD SERIES DESIGNATORUNS STUD THREAD
THREAD LENGTH0.687 INCHES MINIMUM STUD THREAD IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD PITCH DIAMETERS+0.3941 TO 0.3971 INCHES STUD THREAD IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD QUANTITY PER INCH20 NUT THREAD
THREAD LENGTH0.625 INCHES MINIMUM NUT THREAD IN
MATERIALSTEEL COMP 3135 OR STEEL COMP 4140
NOMINAL THREAD SIZE0.438 INCHES NUT THREAD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
310SFInterchangeable
interchangeable cross-reference
interchangeable
8432213Interchangeable
interchangeable cross-reference
interchangeable
154D672-22Interchangeable
interchangeable cross-reference
interchangeable
391275Interchangeable
interchangeable cross-reference
interchangeable
245304Interchangeable
interchangeable cross-reference
interchangeable
4X249Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BB16256?
BB16256 is a STUD,PLAIN.
What parts can replace BB16256?
There are 7 known substitutes for BB16256: 310SF, 8432213, 154D672-22 and 4 more. Substitute compatibility should be verified for your specific system.
Is BB16256 still available?
BB16256 is currently cancelled.
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