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Technical Data Sheet
PartsTable / COMPONENT / AN65-4-6
AN65-4-6 ✓ 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: 0.250 INCHES NOMINAL IN, head_height: 0.172 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.500 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-281-8921, 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
AN65-4-6
NSN: 5306-00-281-8921
FSC: 5306
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length0.250 INCHES NOMINAL IN
head_height0.172 INCHES NOMINAL IN
thread_class2A A
thread_length0.500 INCHES MAXIMUM IN
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM OR ZINC OVERALL
width_between_flats0.375 INCHES NOMINAL IN
nominal_thread_diameter0.250 INCHES IN
NSN5306-00-281-8921
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN65-4-6 · 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 SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MINIMUM TENSILE STRENGTH: 48000 POUNDS PER SQUARE INCH LBS
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.172 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
•
WIDTH BETWEEN FLATS: 0.375 INCHES NOMINAL IN
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD LENGTH: 0.500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MINIMUM TENSILE STRENGTH48000 POUNDS PER SQUARE INCH LBS
FASTENER LENGTH0.750 INCHES NOMINAL IN
HEAD HEIGHT0.172 INCHES NOMINAL IN
THREAD CLASS2A A
WIDTH BETWEEN FLATS0.375 INCHES NOMINAL IN
FEATURES PROVIDEDFINISHED HEAD
THREAD LENGTH0.500 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
6515NCM082344Upgraded Successor
successor cross-reference
successor
6546Upgraded Successor
successor cross-reference
successor
PA120Upgraded Successor
successor cross-reference
successor
67-305Interchangeable
interchangeable cross-reference
interchangeable
B107.13 TY3CL1STAInterchangeable
interchangeable cross-reference
interchangeable
A733XS-73CFGInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN65-4-6?
AN65-4-6 is a BOLT,MACHINE.
What parts can replace AN65-4-6?
There are 16 known substitutes for AN65-4-6: 6515NCM082344, 6546, PA120 and 13 more. Substitute compatibility should be verified for your specific system.
Is AN65-4-6 still available?
AN65-4-6 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026