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Technical Data Sheet
PartsTable / COMPONENT / 510S062ST20
510S062ST20 ✓ 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 STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, head_length: 0.058 INCHES NOMINAL IN, thread_class: 2A NUT THREAD A, head_diameter: 0.259 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN, thread_length: 0.625 INCHES NOMINAL NUT THREAD IN, overall_length: 0.683 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-264-0256, 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
510S062ST20
NSN: 5307-00-264-0256
FSC: 5307
CAGE: 86577 — PRECISION METAL PRODUCTS CO (USA)
SPECIFICATIONS
materialSTEEL COMP 303
head_length0.058 INCHES NOMINAL IN
thread_class2A NUT THREAD A
head_diameter0.259 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN
thread_length0.625 INCHES NOMINAL NUT THREAD IN
overall_length0.683 INCHES NOMINAL IN
locking_featureSELF-CLINCHING HEAD
style_designatorSELF-LOCKING
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.190 INCHES NUT THREAD IN
distance_across_flats0.312 INCHES NOMINAL IN
NSN5307-00-264-0256
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 510S062ST20 · 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
•
LOCKING FEATURE: SELF-CLINCHING HEAD
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
THREAD CLASS: 2A NUT THREAD A
•
THREAD SERIES DESIGNATOR: UNF NUT THREAD
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
HEAD DIAMETER: 0.259 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 303
TECHNICAL CHARACTERISTICS (FLIS)
LOCKING FEATURESELF-CLINCHING HEAD
OVERALL LENGTH0.683 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD CLASS2A NUT THREAD A
THREAD SERIES DESIGNATORUNF NUT THREAD
SURFACE TREATMENTPASSIVATE OVERALL
HEAD DIAMETER0.259 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN
MATERIALSTEEL COMP 303
DISTANCE ACROSS FLATS0.312 INCHES NOMINAL IN
THREAD LENGTH0.625 INCHES NOMINAL NUT THREAD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
75007PC40063AInterchangeable
interchangeable cross-reference
interchangeable
504963Interchangeable
interchangeable cross-reference
interchangeable
MS90081-5Interchangeable
interchangeable cross-reference
interchangeable
N277Interchangeable
interchangeable cross-reference
interchangeable
M81A-10-100-40Interchangeable
interchangeable cross-reference
interchangeable
601004-02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 510S062ST20?
510S062ST20 is a STUD,SELF-LOCKING.
What parts can replace 510S062ST20?
There are 8 known substitutes for 510S062ST20: 75007PC40063A, 504963, MS90081-5 and 5 more. Substitute compatibility should be verified for your specific system.
Is 510S062ST20 still available?
510S062ST20 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026