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Technical Data Sheet
PartsTable / COMPONENT / BCBX3BA
BCBX3BA ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.203 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.750 INCHES MAXIMUM IN, fastener_length: 0.750 INCHES NOMINAL 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 5306-00-022-1665, 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
BCBX3BA
NSN: 5306-00-022-1665
FSC: 5306
CAGE: 00000
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.203 INCHES NOMINAL IN
thread_class2A A
thread_length0.750 INCHES MAXIMUM IN
fastener_length0.750 INCHES NOMINAL IN
hardness_rating100.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.500 INCHES NOMINAL IN
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
NSN5306-00-022-1665
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BCBX3BA · 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
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 10P STYLE AND 2 GRADE
•
HEAD HEIGHT: 0.203 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.500 INCHES NOMINAL IN
•
HARDNESS RATING: 100.0 ROCKWELL B MAXIMUM OVERALL
•
THREAD CLASS: 2A A
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE AND 2 GRADE
HEAD HEIGHT0.203 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
HARDNESS RATING100.0 ROCKWELL B MAXIMUM OVERALL
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.312 INCHES IN
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY HOLE
THREAD QUANTITY PER INCH18
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
PC99033-1Interchangeable
interchangeable cross-reference
interchangeable
6127-008-012Interchangeable
interchangeable cross-reference
interchangeable
RAD4125Interchangeable
interchangeable cross-reference
interchangeable
305942Interchangeable
Same NIIN cross-reference
interchangeable
221665Interchangeable
Same NIIN cross-reference
interchangeable
BCBX3BInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BCBX3BA?
BCBX3BA is a BOLT,MACHINE.
What parts can replace BCBX3BA?
There are 6 known substitutes for BCBX3BA: PC99033-1, 6127-008-012, RAD4125 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BCBX3BA?
BCBX3BA is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-022-1665. 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