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Technical Data Sheet
PartsTable / COMPONENT / M1222RN8C264GFNN
M1222RN8C264GFNN ✓ 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, head_height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM IN, fastener_length: 4.000 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 5306-00-270-9456, 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
M1222RN8C264GFNN
NSN: 5306-00-270-9456
FSC: 5306
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
thread_class2A A
thread_length1.250 INCHES MINIMUM IN
fastener_length4.000 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
minimum_tensile_strength120000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch13
NSN5306-00-270-9456
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: M1222RN8C264GFNN · 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
•
HEAD HEIGHT: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 13
•
MINIMUM TENSILE STRENGTH: 120000 POUNDS PER SQUARE INCH LBS
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
THREAD CLASS: 2A A
•
WIDTH BETWEEN FLATS: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
FASTENER LENGTH: 4.000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH13
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH LBS
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD CLASS2A A
WIDTH BETWEEN FLATS0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
FASTENER LENGTH4.000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
THREAD LENGTH1.250 INCHES MINIMUM IN
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
AN10H20AUpgraded Successor
successor cross-reference
successor
MIL-DTL-1222JUpgraded Successor
successor cross-reference
successor
5/8-11 UNC-2A X 3.00 LGUpgraded Successor
successor cross-reference
successor
MIL-S-1222HUpgraded Successor
successor cross-reference
successor
T857Upgraded Successor
successor cross-reference
successor
MILS1222Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M1222RN8C264GFNN?
M1222RN8C264GFNN is a BOLT,MACHINE.
What parts can replace M1222RN8C264GFNN?
There are 18 known substitutes for M1222RN8C264GFNN: AN10H20A, MIL-DTL-1222J, 5/8-11 UNC-2A X 3.00 LG and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M1222RN8C264GFNN?
M1222RN8C264GFNN is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-270-9456. 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