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Technical Data Sheet
PartsTable / COMPONENT / AN5-12
AN5-12 ✓ 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 head_style: HEXAGON, grip_length: 0.797 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN, head_height: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.500 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN, fastener_length: 1.328 INCHES MINIMUM AND 1.375 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 5306-00-151-1720, 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
AN5-12
NSN: 5306-00-151-1720
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_styleHEXAGON
grip_length0.797 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
head_height0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
thread_class3A A
thread_length0.500 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
fastener_length1.328 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
nominal_thread_diameter0.312 INCHES IN
NSN5306-00-151-1720
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN5-12 · 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
•
WIDTH BETWEEN FLATS: 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
•
HEAD STYLE: HEXAGON
•
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
•
THREAD SERIES DESIGNATOR: UNF
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
FASTENER LENGTH: 1.328 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
THREAD SERIES DESIGNATORUNF
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
FASTENER LENGTH1.328 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
FEATURES PROVIDEDFINISHED HEAD
THREAD CLASS3A A
MATERIALSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.156 INCHES MINIMUM AND 1.188 INCHES MAXIMUM FIRST HOLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
38235Interchangeable
interchangeable cross-reference
interchangeable
198Interchangeable
interchangeable cross-reference
interchangeable
38232Interchangeable
interchangeable cross-reference
interchangeable
PT534Interchangeable
interchangeable cross-reference
interchangeable
2075454Interchangeable
interchangeable cross-reference
interchangeable
L504000046Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN5-12?
AN5-12 is a BOLT,MACHINE.
What parts can replace AN5-12?
There are 9 known substitutes for AN5-12: 38235, 198, 38232 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN5-12?
AN5-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-151-1720. 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