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Technical Data Sheet
PartsTable / COMPONENT / AN4C24A
AN4C24A ✓ 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 COMP 431 OVERALL, head_style: HEXAGON, grip_length: 2.047 INCHES MINIMUM AND 2.078 INCHES MAXIMUM IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.438 INCHES MINIMUM AND 0.516 INCHES MAXIMUM 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 5306-00-150-9868, 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
AN4C24A
NSN: 5306-00-150-9868
FSC: 5306
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL COMP 431 OVERALL
head_styleHEXAGON
grip_length2.047 INCHES MINIMUM AND 2.078 INCHES MAXIMUM IN
head_height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_class3A A
thread_length0.438 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
fastener_length2.516 INCHES MINIMUM AND 2.562 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentPASSIVATE OVERALL
width_between_flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
NSN5306-00-150-9868
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN4C24A · 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
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD QUANTITY PER INCH: 28
•
HEAD STYLE: HEXAGON
•
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
•
GRIP LENGTH: 2.047 INCHES MINIMUM AND 2.078 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.438 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
FASTENER LENGTH: 2.516 INCHES MINIMUM AND 2.562 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDFINISHED HEAD
THREAD QUANTITY PER INCH28
HEAD STYLEHEXAGON
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
GRIP LENGTH2.047 INCHES MINIMUM AND 2.078 INCHES MAXIMUM IN
THREAD LENGTH0.438 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
FASTENER LENGTH2.516 INCHES MINIMUM AND 2.562 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
MS20074-10-16Upgraded Successor
successor cross-reference
successor
MILB6812Upgraded Successor
successor cross-reference
successor
AN3-4Upgraded Successor
successor cross-reference
successor
85H30Upgraded Successor
successor cross-reference
successor
NASM6812Upgraded Successor
successor cross-reference
successor
83T26Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN4C24A?
AN4C24A is a BOLT,MACHINE.
What parts can replace AN4C24A?
There are 17 known substitutes for AN4C24A: MS20074-10-16, MILB6812, AN3-4 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN4C24A?
AN4C24A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-150-9868. 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