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PartsTable / COMPONENT / 593-6405224 PIECE 58
593-6405224 PIECE 58 ✓ 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,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY K-500 OVERALL, head_style: FLAT CHAMFER, head_height: 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN, thread_length: 1.068 INCHES MINIMUM AND 1.250 INCHES MAXIMUM 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 5305-01-353-2013, 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
593-6405224 PIECE 58
NSN: 5305-01-353-2013
FSC: 5305
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY K-500 OVERALL
head_styleFLAT CHAMFER
head_height0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.921 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
thread_length1.068 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
fastener_length1.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.500 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch11
NSN5305-01-353-2013
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 593-6405224 PIECE 58 · 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
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
FASTENER LENGTH: 1.250 INCHES NOMINAL IN
•
HEAD STYLE: FLAT CHAMFER
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNRC
•
INTERNAL DRIVE STYLE: HEXAGON
•
HEAD HEIGHT: 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 11
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.625 INCHES IN
FASTENER LENGTH1.250 INCHES NOMINAL IN
HEAD STYLEFLAT CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORUNRC
INTERNAL DRIVE STYLEHEXAGON
HEAD HEIGHT0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH11
THREAD CLASS3A A
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
0.625-11UNRC-3A X 1.250L1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222 TYII GR500 SLFLKGInterchangeable
interchangeable cross-reference
interchangeable
DF330618 FIND 14L1Interchangeable
interchangeable cross-reference
interchangeable
211068783Interchangeable
Same NIIN cross-reference
interchangeable
211040673Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 593-6405224 PIECE 58?
593-6405224 PIECE 58 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 593-6405224 PIECE 58?
There are 5 known substitutes for 593-6405224 PIECE 58: 0.625-11UNRC-3A X 1.250L1, MIL-DTL-1222 TYII GR500 SLFLKG, DF330618 FIND 14L1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 593-6405224 PIECE 58?
593-6405224 PIECE 58 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-353-2013. 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