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Technical Data Sheet
PartsTable / COMPONENT / AN9-41
AN9-41 ✓ 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: 3.359 INCHES MINIMUM AND 3.391 INCHES MAXIMUM IN, head_height: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.875 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN, fastener_length: 4.266 INCHES MINIMUM AND 4.312 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 5306-00-151-3023, 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
AN9-41
NSN: 5306-00-151-3023
FSC: 5306
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (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_length3.359 INCHES MINIMUM AND 3.391 INCHES MAXIMUM IN
head_height0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
thread_class3A A
thread_length0.875 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
fastener_length4.266 INCHES MINIMUM AND 4.312 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
NSN5306-00-151-3023
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN9-41 · 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 DIRECTION: RIGHT-HAND
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
HEAD STYLE: HEXAGON
•
MATERIAL: STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
•
WIDTH BETWEEN FLATS: 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN
•
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER: 4.016 INCHES MINIMUM AND 4.047 INCHES MAXIMUM FIRST HOLE IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
WIDTH BETWEEN FLATS0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER4.016 INCHES MINIMUM AND 4.047 INCHES MAXIMUM FIRST HOLE IN
GRIP LENGTH3.359 INCHES MINIMUM AND 3.391 INCHES MAXIMUM IN
HEAD HEIGHT0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
AN182-26Upgraded Successor
successor cross-reference
successor
B6812Upgraded Successor
successor cross-reference
successor
AN182H26Upgraded Successor
successor cross-reference
successor
NASM6812Upgraded Successor
successor cross-reference
successor
AN7-77AUpgraded Successor
successor cross-reference
successor
MS20074-05-24Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN9-41?
AN9-41 is a BOLT,MACHINE.
What parts can replace AN9-41?
There are 16 known substitutes for AN9-41: AN182-26, B6812, AN182H26 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN9-41?
AN9-41 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-151-3023. 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