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Technical Data Sheet
PartsTable / COMPONENT / AN24-66
AN24-66 ✓ 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,CLEVIS is a the manufacturer industrial component. Key specifications include head_style: BUTTON, head_height: 0.125 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.500 INCHES NOMINAL IN, thread_length: 0.273 INCHES MINIMUM IN, fastener_length: 4.156 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 5306-00-151-3328, 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
AN24-66
NSN: 5306-00-151-3328
FSC: 5306
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
head_styleBUTTON
head_height0.125 INCHES NOMINAL IN
thread_class3A A
head_diameter0.500 INCHES NOMINAL IN
thread_length0.273 INCHES MINIMUM IN
fastener_length4.156 INCHES NOMINAL IN
groove_diameter0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
internal_drive_styleSLOT
NSN5306-00-151-3328
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN24-66 · 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
•
HEAD STYLE: BUTTON
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD DIRECTION: RIGHT-HAND
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 28
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEBUTTON
INTERNAL DRIVE STYLESLOT
THREAD DIRECTIONRIGHT-HAND
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD CLASS3A A
THREAD QUANTITY PER INCH28
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
THREAD LENGTH0.273 INCHES MINIMUM IN
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
827-864-021Interchangeable
interchangeable cross-reference
interchangeable
27865Interchangeable
interchangeable cross-reference
interchangeable
827-867-021Interchangeable
interchangeable cross-reference
interchangeable
IMS-5-22.000PORM10PCTInterchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-15305Interchangeable
interchangeable cross-reference
interchangeable
038952-0010Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN24-66?
AN24-66 is a BOLT,CLEVIS.
What parts can replace AN24-66?
There are 10 known substitutes for AN24-66: 827-864-021, 27865, 827-867-021 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN24-66?
AN24-66 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-151-3328. 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