PartsTable
Technical Data Sheet
B18231B05016N ✓ 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 SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 3.35 MILLIMETERS MINIMUM AND 3.65 MILLIMETERS MAXIMUM MM, thread_length: 14.0 MILLIMETERS NOMINAL MM, fastener_length: 15.6 MILLIMETERS MINIMUM AND 16.4 MILLIMETERS MAXIMUM MM, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-435-7561, 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
B18231B05016N
NSN: 5305-01-435-7561
FSC: 5305
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height3.35 MILLIMETERS MINIMUM AND 3.65 MILLIMETERS MAXIMUM MM
thread_length14.0 MILLIMETERS NOMINAL MM
fastener_length15.6 MILLIMETERS MINIMUM AND 16.4 MILLIMETERS MAXIMUM MM
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats7.78 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM MM
nominal_thread_diameter5.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters0.8
external_thread_tolerance_class6G G
NSN5305-01-435-7561
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B18231B05016N · 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
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325, TY2, CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT: ZINC OVERALL
THREAD SERIES DESIGNATOR: M
MATERIAL: STEEL OVERALL
NOMINAL THREAD DIAMETER: 5.0 MILLIMETERS MM
THREAD PITCH IN MILLIMETERS: 0.8
WIDTH BETWEEN FLATS: 7.78 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM MM
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325, TY2, CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD SERIES DESIGNATORM
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER5.0 MILLIMETERS MM
THREAD PITCH IN MILLIMETERS0.8
WIDTH BETWEEN FLATS7.78 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM MM
HEAD STYLEHEXAGON
EXTERNAL THREAD TOLERANCE CLASS6G G
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
AES07M08B050CG8A91Interchangeable
interchangeable cross-reference
interchangeable
B18231B08050NInterchangeable
interchangeable cross-reference
interchangeable
ASME B18.2.3.1MInterchangeable
interchangeable cross-reference
interchangeable
AES07M08B070CG9A81Interchangeable
interchangeable cross-reference
interchangeable
B18231B08070NInterchangeable
interchangeable cross-reference
interchangeable
B18231B08060NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B18231B05016N?
B18231B05016N is a SCREW,CAP,HEXAGON HEAD.
What parts can replace B18231B05016N?
There are 24 known substitutes for B18231B05016N: AES07M08B050CG8A91, B18231B08050N, ASME B18.2.3.1M and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B18231B05016N?
B18231B05016N is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-435-7561. This indicates validated use in U.S. government and defense supply chains.
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