PartsTable
Technical Data Sheet
PartsTable / COMPONENT / AN43-6A
AN43-6A ✓ 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 OVERALL, head_style: HEXAGON, grip_length: 3.312 INCHES NOMINAL IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, shank_length: 0.765 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN, thread_class: 3A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-141-5171, 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
AN43-6A
NSN: 5306-00-141-5171
FSC: 5306
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length3.312 INCHES NOMINAL IN
head_height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
shank_length0.765 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
thread_class3A A
thread_length0.469 INCHES MINIMUM IN
overall_length1.531 INCHES NOMINAL IN
fastener_length3.781 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
eye_outside_width0.500 INCHES NOMINAL IN
NSN5306-00-141-5171
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN43-6A · 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
•
EYE OUTSIDE WIDTH: 0.500 INCHES NOMINAL IN
•
EYE INSIDE DIAMETER: 0.188 INCHES MINIMUM IN
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 28
•
THREAD LENGTH: 0.469 INCHES MINIMUM IN
•
SHOULDER DIAMETER: 0.500 INCHES NOMINAL IN
•
SHANK LENGTH: 0.765 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
EYE OUTSIDE WIDTH0.500 INCHES NOMINAL IN
EYE INSIDE DIAMETER0.188 INCHES MINIMUM IN
THREAD CLASS3A A
THREAD QUANTITY PER INCH28
OVERALL LENGTH1.531 INCHES NOMINAL IN
THREAD LENGTH0.469 INCHES MINIMUM IN
SHOULDER DIAMETER0.500 INCHES NOMINAL IN
SHANK LENGTH0.765 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
SHOULDER THICKNESS0.078 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
401 334Interchangeable
interchangeable cross-reference
interchangeable
AN4-36AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy AN43-6A?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is AN43-6A?
AN43-6A is a BOLT,MACHINE.
What parts can replace AN43-6A?
There are 2 known substitutes for AN43-6A: 401 334, AN4-36A. Substitute compatibility should be verified for your specific system.
What is the NSN for AN43-6A?
AN43-6A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-141-5171. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — AN43-6A

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026