PartsTable
Technical Data Sheet
AN3H12 ✓ 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 hole_type: DRILLED, head_style: HEXAGON, grip_length: 0.875 INCHES NOMINAL IN, head_height: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN, thread_class: 3A A, hole_diameter: 0.046 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 5306-00-182-1899, 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
AN3H12
NSN: 5306-00-182-1899
FSC: 5306
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
hole_typeDRILLED
head_styleHEXAGON
grip_length0.875 INCHES NOMINAL IN
head_height0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
thread_class3A A
hole_diameter0.046 INCHES NOMINAL IN
hole_quantity1
thread_length0.406 INCHES MINIMUM IN
fastener_length1.281 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
NSN5306-00-182-1899
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN3H12 · 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
THREAD CLASS: 3A A
HOLE DIAMETER: 0.046 INCHES NOMINAL IN
THREAD LENGTH: 0.406 INCHES MINIMUM IN
WIDTH BETWEEN FLATS: 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
HEAD STYLE: HEXAGON
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
GRIP LENGTH: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A A
HOLE DIAMETER0.046 INCHES NOMINAL IN
THREAD LENGTH0.406 INCHES MINIMUM IN
WIDTH BETWEEN FLATS0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
NOMINAL THREAD DIAMETER0.190 INCHES IN
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
GRIP LENGTH0.875 INCHES NOMINAL IN
FEATURES PROVIDEDFINISHED HEAD
MATERIALSTEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
AN4-31AUpgraded Successor
successor cross-reference
successor
5306PL0961538Upgraded Successor
successor cross-reference
successor
MILB6812AAMEND2Upgraded Successor
successor cross-reference
successor
AN5-31AUpgraded Successor
successor cross-reference
successor
AN5-30AUpgraded Successor
successor cross-reference
successor
AN5-24AUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN3H12?
AN3H12 is a BOLT,MACHINE.
What parts can replace AN3H12?
There are 16 known substitutes for AN3H12: AN4-31A, 5306PL0961538, MILB6812AAMEND2 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN3H12?
AN3H12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-182-1899. This indicates validated use in U.S. government and defense supply chains.
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