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PartsTable / COMPONENT / 5247R
5247R ✓ 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,SQUARE NECK is a the manufacturer industrial component. Key specifications include neck_width: 0.760 INCHES NOMINAL IN, head_diameter: 1.312 INCHES NOMINAL IN, fastener_length: 2.250 INCHES NOMINAL IN, special_features: 1 DRILLED HOLE THROUGH CENTER OF UNTHREADED SHANK, nominal_thread_diameter: 0.750 INCHES IN, thread_quantity_per_inch: 10. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-376-8679, 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
5247R
NSN: 5306-00-376-8679
FSC: 5306
CAGE: 72981 — ERIE MALLEABLE IRON CO (USA)
SPECIFICATIONS
neck_width0.760 INCHES NOMINAL IN
head_diameter1.312 INCHES NOMINAL IN
fastener_length2.250 INCHES NOMINAL IN
special_features1 DRILLED HOLE THROUGH CENTER OF UNTHREADED SHANK
nominal_thread_diameter0.750 INCHES IN
thread_quantity_per_inch10
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
distance_from_centerline_to_flat0.375 INCHES NOMINAL IN
NSN5306-00-376-8679
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5247R · 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: 10
•
HEAD DIAMETER: 1.312 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.375 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
NECK WIDTH: 0.760 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.250 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH10
HEAD DIAMETER1.312 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO FLAT0.375 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.750 INCHES IN
NECK WIDTH0.760 INCHES NOMINAL IN
SPECIAL FEATURES1 DRILLED HOLE THROUGH CENTER OF UNTHREADED SHANK
FASTENER LENGTH2.250 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
5247Interchangeable
interchangeable cross-reference
interchangeable
ST-45200Interchangeable
interchangeable cross-reference
interchangeable
LT-20045Interchangeable
interchangeable cross-reference
interchangeable
4Q-4200Interchangeable
interchangeable cross-reference
interchangeable
606836-2REVEInterchangeable
interchangeable cross-reference
interchangeable
955-0119-400Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5247R?
5247R is a BOLT,SQUARE NECK.
What parts can replace 5247R?
There are 12 known substitutes for 5247R: 5247, ST-45200, LT-20045 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5247R?
5247R is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-376-8679. 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