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PartsTable / COMPONENT / AN3C23A
AN3C23A ✓ 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 CORROSION RESISTING OVERALL, head_style: HEXAGON, grip_length: 2.000 INCHES NOMINAL IN, head_height: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.406 INCHES MINIMUM 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 5306-00-180-1933, 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
AN3C23A
NSN: 5306-00-180-1933
FSC: 5306
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEXAGON
grip_length2.000 INCHES NOMINAL IN
head_height0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
thread_class3A A
thread_length0.406 INCHES MINIMUM IN
fastener_length2.406 INCHES NOMINAL 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_flats0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
NSN5306-00-180-1933
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN3C23A · 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: HEXAGON
•
FEATURES PROVIDED: FINISHED HEAD
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HEAD HEIGHT: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-770 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
GRIP LENGTH: 2.000 INCHES NOMINAL IN
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
FEATURES PROVIDEDFINISHED HEAD
MATERIALSTEEL CORROSION RESISTING OVERALL
HEAD HEIGHT0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-770 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
GRIP LENGTH2.000 INCHES NOMINAL IN
THREAD CLASS3A A
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
SURFACE TREATMENTPASSIVATE 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 AN3C23A?
AN3C23A is a BOLT,MACHINE.
What parts can replace AN3C23A?
There are 16 known substitutes for AN3C23A: AN4-31A, 5306PL0961538, MILB6812AAMEND2 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN3C23A?
AN3C23A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-180-1933. 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