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Technical Data Sheet
PartsTable / COMPONENT / 503-4-10363-000
503-4-10363-000 ✓ 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 SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.208 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.000 INCHES NOMINAL IN, fastener_length: 1.470 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 5305-00-574-0001, 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
503-4-10363-000
NSN: 5305-00-574-0001
FSC: 5305
CAGE: K2523 — EATON LIMITED (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.208 INCHES NOMINAL IN
thread_class2A A
thread_length1.000 INCHES NOMINAL IN
fastener_length1.470 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_between_flats0.493 INCHES NOMINAL IN
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-574-0001
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 503-4-10363-000 · 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
•
THREAD QUANTITY PER INCH: 18
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
WIDTH BETWEEN FLATS: 0.493 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 1.470 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.208 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
THREAD QUANTITY PER INCH18
SURFACE TREATMENTCADMIUM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS0.493 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.470 INCHES NOMINAL IN
HEAD HEIGHT0.208 INCHES NOMINAL IN
THREAD CLASS2A A
THREAD LENGTH1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
230175NInterchangeable
interchangeable cross-reference
interchangeable
10510600Interchangeable
interchangeable cross-reference
interchangeable
15536P11Interchangeable
interchangeable cross-reference
interchangeable
410860-2Interchangeable
interchangeable cross-reference
interchangeable
410860-1Interchangeable
interchangeable cross-reference
interchangeable
5188009Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503-4-10363-000?
503-4-10363-000 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 503-4-10363-000?
There are 8 known substitutes for 503-4-10363-000: 230175N, 10510600, 15536P11 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503-4-10363-000?
503-4-10363-000 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-574-0001. 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