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PartsTable / COMPONENT / AN65-6-20
AN65-6-20 ✓ 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: 1.000 INCHES MAXIMUM IN, head_height: 0.252 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.000 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 5306-00-177-5675, 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
AN65-6-20
NSN: 5306-00-177-5675
FSC: 5306
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length1.000 INCHES MAXIMUM IN
head_height0.252 INCHES MAXIMUM IN
thread_class2A A
thread_length1.000 INCHES MINIMUM IN
fastener_length2.000 INCHES NOMINAL IN
hardness_rating95.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM OR ZINC OVERALL
width_between_flats0.562 INCHES MAXIMUM IN
NSN5306-00-177-5675
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN65-6-20 · 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 QUANTITY PER INCH: 16
•
HEAD STYLE: HEXAGON
•
MINIMUM TENSILE STRENGTH: 55000 POUNDS PER SQUARE INCH LBS
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
WIDTH BETWEEN FLATS: 0.562 INCHES MAXIMUM IN
•
HARDNESS RATING: 95.0 ROCKWELL B MAXIMUM OVERALL
•
NONDEFINITIVE SPEC/STD DATA: B2 TYPE
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1 FED SPEC 2ND TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH16
HEAD STYLEHEXAGON
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
THREAD LENGTH1.000 INCHES MINIMUM IN
WIDTH BETWEEN FLATS0.562 INCHES MAXIMUM IN
HARDNESS RATING95.0 ROCKWELL B MAXIMUM OVERALL
NONDEFINITIVE SPEC/STD DATAB2 TYPE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1 FED SPEC 2ND TREATMENT RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH1.000 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
FFB571Upgraded Successor
successor cross-reference
successor
426204Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN65-6-20?
AN65-6-20 is a BOLT,MACHINE.
What parts can replace AN65-6-20?
There are 2 known substitutes for AN65-6-20: FFB571, 426204. Substitute compatibility should be verified for your specific system.
What is the NSN for AN65-6-20?
AN65-6-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-177-5675. 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