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Technical Data Sheet
PartsTable / COMPONENT / AMSC B18.3.6
AMSC B18.3.6 ✓ 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 AMSC B18.3.6 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-599-0240, 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
AMSC B18.3.6
NSN: 5305-01-599-0240
FSC: 5305
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
Part NumberAMSC B18.3.6
NSN5305-01-599-0240
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AMSC B18.3.6 · 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
•
FASTENER LENGTH: 50.00 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 3.0
•
INTERNAL DRIVE STYLE: HEXAGON
•
POINT CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
THREAD CLASS: 5G6G
•
WIDTH ACROSS FLATS: 12.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH50.00 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS3.0
INTERNAL DRIVE STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYM24-3.0 X 50MM DIN 916 PLAIN CUP POINT SOCKET SET SCREW MM
SPECIAL FEATURESSHIPPING WEIGHT IS 0.2801 LBS LBS
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL
THREAD CLASS5G6G
WIDTH ACROSS FLATS12.0 MILLIMETERS NOMINAL MM
POINT STYLECUP
HEAD STYLEHEADLESS (SETSCREW)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
39899Interchangeable
interchangeable cross-reference
interchangeable
GGG-F-331 TY11CL3Interchangeable
interchangeable cross-reference
interchangeable
GGG-F-331Interchangeable
interchangeable cross-reference
interchangeable
SB1533Interchangeable
interchangeable cross-reference
interchangeable
LS-800-3Interchangeable
interchangeable cross-reference
interchangeable
LS-800Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AMSC B18.3.6?
AMSC B18.3.6 is a AMSC B18.3.6.
What parts can replace AMSC B18.3.6?
There are 13 known substitutes for AMSC B18.3.6: 39899, GGG-F-331 TY11CL3, GGG-F-331 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AMSC B18.3.6?
AMSC B18.3.6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-599-0240. 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