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Technical Data Sheet
PartsTable / COMPONENT / J8820
J8820 ✓ 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: SQUARE, head_height: 0.400 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 6.000 INCHES NOMINAL IN, fastener_length: 20.000 INCHES NOMINAL 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 5306-00-346-9962, 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
J8820
NSN: 5306-00-346-9962
FSC: 5306
CAGE: 74999 — JOSLYN CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSQUARE
head_height0.400 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN
thread_class2A A
thread_length6.000 INCHES NOMINAL IN
fastener_length20.000 INCHES NOMINAL IN
special_featuresCONE POINTED THREADED END
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
surface_treatmentZINC OVERALL
width_between_flats0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
nominal_thread_diameter0.625 INCHES IN
NSN5306-00-346-9962
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: J8820 · 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
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
FASTENER LENGTH: 20.000 INCHES NOMINAL IN
•
HEAD STYLE: SQUARE
•
HEAD HEIGHT: 0.400 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 11
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESCONE POINTED THREADED END
NOMINAL THREAD DIAMETER0.625 INCHES IN
FASTENER LENGTH20.000 INCHES NOMINAL IN
HEAD STYLESQUARE
HEAD HEIGHT0.400 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH11
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
THREAD CLASS2A A
FEATURES PROVIDEDUNFINISHED HEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
712334Upgraded Successor
successor cross-reference
successor
357453SUpgraded Successor
successor cross-reference
successor
40635VUpgraded Successor
successor cross-reference
successor
FERNO QUICK SPLINTUpgraded Successor
successor cross-reference
successor
6515NCM071996Upgraded Successor
successor cross-reference
successor
1109-36"Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J8820?
J8820 is a BOLT,MACHINE.
What parts can replace J8820?
There are 19 known substitutes for J8820: 712334, 357453S, 40635V and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for J8820?
J8820 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-346-9962. 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