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Technical Data Sheet
PartsTable / COMPONENT / 6303455
6303455 ✓ 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 SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: KNURLED NO. 5, head_height: 0.297 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN, point_style: CONE, point_length: 0.092 INCHES NOMINAL IN, thread_class: 2A A.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-377-0864, 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
6303455
NSN: 5305-01-377-0864
FSC: 5305
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleKNURLED NO. 5
head_height0.297 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN
point_styleCONE
point_length0.092 INCHES NOMINAL IN
thread_class2A A
head_diameter0.313 INCHES NOMINAL IN
thread_length0.202 INCHES MINIMUM AND 0.212 INCHES MAXIMUM IN
point_diameter0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
fastener_length0.687 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
NSN5305-01-377-0864
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6303455 · 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: KNURLED NO. 5
•
INTERNAL DRIVE STYLE: SLOT
•
POINT DIAMETER: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
HEAD DIAMETER: 0.313 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OR STM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
FASTENER LENGTH: 0.687 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEKNURLED NO. 5
INTERNAL DRIVE STYLESLOT
POINT DIAMETER0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
HEAD DIAMETER0.313 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OR STM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
FASTENER LENGTH0.687 INCHES NOMINAL IN
THREAD CLASS2A A
POINT STYLECONE
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
40108Interchangeable
interchangeable cross-reference
interchangeable
10228510Interchangeable
interchangeable cross-reference
interchangeable
5410010Interchangeable
interchangeable cross-reference
interchangeable
2133151Interchangeable
interchangeable cross-reference
interchangeable
613453-53Interchangeable
interchangeable cross-reference
interchangeable
10167271Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6303455?
6303455 is a SETSCREW.
What parts can replace 6303455?
There are 8 known substitutes for 6303455: 40108, 10228510, 5410010 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6303455?
6303455 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-377-0864. 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