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Technical Data Sheet
PartsTable / COMPONENT / 596430
596430 ✓ 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: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 2.000 INCHES MINIMUM AND 2.188 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES THREADS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-689-3831, 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
596430
NSN: 5305-00-689-3831
FSC: 5305
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
thread_class2A A
thread_length2.000 INCHES MINIMUM AND 2.188 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES THREADS
fastener_length6.812 INCHES MINIMUM AND 7.000 INCHES MAXIMUM IN
hardness_rating80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC OVERALL
width_between_flats1.000 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
nominal_thread_diameter0.750 INCHES IN
NSN5305-00-689-3831
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 596430 · 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: 0.750 INCHES IN
•
THREAD QUANTITY PER INCH: 16
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
HARDNESS RATING: 80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
•
THREAD LENGTH: 2.000 INCHES MINIMUM AND 2.188 INCHES MAXIMUM IN
•
FASTENER LENGTH: 6.812 INCHES MINIMUM AND 7.000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.750 INCHES IN
THREAD QUANTITY PER INCH16
THREAD DIRECTIONRIGHT-HAND
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
HARDNESS RATING80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
THREAD LENGTH2.000 INCHES MINIMUM AND 2.188 INCHES MAXIMUM IN
FASTENER LENGTH6.812 INCHES MINIMUM AND 7.000 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
251528Interchangeable
interchangeable cross-reference
interchangeable
ASME B18.2.1Interchangeable
interchangeable cross-reference
interchangeable
NASM90725Interchangeable
interchangeable cross-reference
interchangeable
FF-S-85 TY 2 ST 10PInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 596430?
596430 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 596430?
There are 4 known substitutes for 596430: 251528, ASME B18.2.1, NASM90725 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 596430?
596430 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-689-3831. 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