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PartsTable / COMPONENT / 14140450H8Y
14140450H8Y ✓ 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: 0.547 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 2.000 INCHES NOMINAL IN, fastener_length: 4.340 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 5306-01-557-0790, 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
14140450H8Y
NSN: 5306-01-557-0790
FSC: 5306
CAGE: 36MV0 — THE SHYFT GROUP USA, INC DBA THE SHYFT GROUP USA, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.547 INCHES NOMINAL IN
thread_class2A A
thread_length2.000 INCHES NOMINAL IN
fastener_length4.340 INCHES NOMINAL IN
special_features7/8"-14 X 4-1/2" GRADE 8 YELLOW ZINC HEX CAP SCREW
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats1.300 INCHES NOMINAL IN
nominal_thread_diameter0.875 INCHES IN
thread_quantity_per_inch14
NSN5306-01-557-0790
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 14140450H8Y · 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 STYLE: HEXAGON
•
SURFACE TREATMENT: ZINC OVERALL
•
THREAD SERIES DESIGNATOR: UNF
•
HEAD HEIGHT: 0.547 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
FASTENER LENGTH: 4.340 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 1.300 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 14
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
SURFACE TREATMENTZINC OVERALL
THREAD SERIES DESIGNATORUNF
HEAD HEIGHT0.547 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
FASTENER LENGTH4.340 INCHES NOMINAL IN
WIDTH BETWEEN FLATS1.300 INCHES NOMINAL IN
THREAD QUANTITY PER INCH14
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.875 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
7039850Interchangeable
interchangeable cross-reference
interchangeable
1940Interchangeable
interchangeable cross-reference
interchangeable
INVOLUTE 20-6Interchangeable
interchangeable cross-reference
interchangeable
10BM-24Interchangeable
interchangeable cross-reference
interchangeable
20BC03PInterchangeable
interchangeable cross-reference
interchangeable
YK901BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 14140450H8Y?
14140450H8Y is a BOLT,MACHINE.
What parts can replace 14140450H8Y?
There are 14 known substitutes for 14140450H8Y: 7039850, 1940, INVOLUTE 20-6 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 14140450H8Y?
14140450H8Y is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-557-0790. 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