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Technical Data Sheet
PartsTable / COMPONENT / BB5134
BB5134 ✓ 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, thread_class: 2A STUD THREAD A, thread_length: 0.688 INCHES MAXIMUM NUT THREAD IN, overall_length: 2.125 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.500 INCHES STUD THREAD IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-285-3901, 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
BB5134
NSN: 5307-00-285-3901
FSC: 5307
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL
thread_class2A STUD THREAD A
thread_length0.688 INCHES MAXIMUM NUT THREAD IN
overall_length2.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.500 INCHES STUD THREAD IN
thread_quantity_per_inch20 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
NSN5307-00-285-3901
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BB5134 · 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: 13 STUD THREAD
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) STUD THREAD
•
NOMINAL THREAD SIZE: 0.500 INCHES NUT THREAD IN
•
THREAD LENGTH: 0.875 INCHES MAXIMUM STUD THREAD IN
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH13 STUD THREAD
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) STUD THREAD
NOMINAL THREAD SIZE0.500 INCHES NUT THREAD IN
THREAD LENGTH0.875 INCHES MAXIMUM STUD THREAD IN
THREAD QUANTITY PER INCH20 NUT THREAD
THREAD LENGTH0.688 INCHES MAXIMUM NUT THREAD IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
OVERALL LENGTH2.125 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
NOMINAL THREAD SIZE0.500 INCHES STUD THREAD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
41006889Interchangeable
interchangeable cross-reference
interchangeable
7RT2447Interchangeable
interchangeable cross-reference
interchangeable
321669Interchangeable
interchangeable cross-reference
interchangeable
12009324Interchangeable
interchangeable cross-reference
interchangeable
4X509Interchangeable
interchangeable cross-reference
interchangeable
2066163Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BB5134?
BB5134 is a STUD,PLAIN.
What parts can replace BB5134?
There are 8 known substitutes for BB5134: 41006889, 7RT2447, 321669 and 5 more. Substitute compatibility should be verified for your specific system.
Is BB5134 still available?
BB5134 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026