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Technical Data Sheet
PartsTable / COMPONENT / 6300798-4-12
6300798-4-12 ✓ 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: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_length: 0.663 INCHES MINIMUM AND 0.750 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 5305-00-477-2713, 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
6300798-4-12
NSN: 5305-00-477-2713
FSC: 5305
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_length0.663 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
fastener_length0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedCASEHARDENED
width_across_flats0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
NSN5305-00-477-2713
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6300798-4-12 · 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: 0.250 INCHES IN
•
THREAD SERIES DESIGNATOR: UNF
•
WIDTH ACROSS FLATS: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD LENGTH: 0.663 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
MINIMUM TENSILE STRENGTH: 160000 POUNDS PER SQUARE INCH LBS
•
FASTENER LENGTH: 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
INTERNAL DRIVE STYLEHEXAGON
THREAD LENGTH0.663 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
FASTENER LENGTH0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
1079995Interchangeable
interchangeable cross-reference
interchangeable
579995Interchangeable
interchangeable cross-reference
interchangeable
5305PL0201250Interchangeable
Same NIIN cross-reference
interchangeable
10125329Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6300798-4-12?
6300798-4-12 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 6300798-4-12?
There are 4 known substitutes for 6300798-4-12: 1079995, 579995, 5305PL0201250 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6300798-4-12?
6300798-4-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-477-2713. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026