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Technical Data Sheet
PartsTable / COMPONENT / 424311PC24
424311PC24 ✓ 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, head_height: 0.312 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.000 INCHES MINIMUM IN, fastener_length: 1.000 INCHES NOMINAL IN, hardness_rating: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-174-4166, 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
424311PC24
NSN: 5306-00-174-4166
FSC: 5306
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.312 INCHES NOMINAL IN
thread_class2A A
thread_length1.000 INCHES MINIMUM IN
fastener_length1.000 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentZINC OVERALL
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
NSN5306-00-174-4166
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 424311PC24 · 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: 13
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD HEIGHT: 0.312 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 81349--1222RN8C216GFNZE GOVERNMENT SPECIFICATION
•
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
WIDTH BETWEEN FLATS: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
MINIMUM TENSILE STRENGTH: 120000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH13
FEATURES PROVIDEDFINISHED HEAD
HEAD HEIGHT0.312 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81349--1222RN8C216GFNZE GOVERNMENT SPECIFICATION
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
WIDTH BETWEEN FLATS0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH LBS
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MILB857AUpgraded Successor
successor cross-reference
successor
M1222RN12C48GFNNUpgraded Successor
successor cross-reference
successor
MIL-S-1222Upgraded Successor
successor cross-reference
successor
MIL-DTL-1222Upgraded Successor
successor cross-reference
successor
306-40172Upgraded Successor
successor cross-reference
successor
1D4703Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 424311PC24?
424311PC24 is a BOLT,MACHINE.
What parts can replace 424311PC24?
There are 18 known substitutes for 424311PC24: MILB857A, M1222RN12C48GFNN, MIL-S-1222 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 424311PC24?
424311PC24 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-174-4166. 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