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58S125ST20 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

58S125ST20: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, head_length: 0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN, thread_class: 2A NUT THREAD A, head_diameter: 0.259 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN, thread_length: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_length: 0.722 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-869-9607, 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
58S125ST20
NSN: 5307-00-869-9607
FSC: 5307 — Studs
CAGE: 86577 — PRECISION METAL PRODUCTS CO (USA)
SPECIFICATIONS
materialSTEEL COMP 303
head_length0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
thread_class2A NUT THREAD A
head_diameter0.259 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN
thread_length0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_length0.722 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN
locking_featureSELF-CLINCHING HEAD
style_designatorSELF-LOCKING
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.164 INCHES NUT THREAD IN
distance_across_flats0.312 INCHES NOMINAL IN
NSN5307-00-869-9607
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 58S125ST20 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
•
STYLE DESIGNATOR: SELF-LOCKING
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.164 INCHES NUT THREAD IN
•
HEAD LENGTH: 0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
•
LOCKING FEATURE: SELF-CLINCHING HEAD
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
STYLE DESIGNATORSELF-LOCKING
OVERALL LENGTH0.722 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.164 INCHES NUT THREAD IN
HEAD LENGTH0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
LOCKING FEATURESELF-CLINCHING HEAD
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A NUT THREAD A
SUBSTITUTES & CROSS-REFERENCES 6
234-1015P47Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
NCS8-4-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
11472578Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
RCS85/125/20Reference document
Same NSN cross-reference
Reference document — Secondary reference
NC58-4-20Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
SMD2015383-96Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 58S125ST20?
58S125ST20 is a STUD,SELF-LOCKING.
What parts can replace 58S125ST20?
There are 6 known substitutes for 58S125ST20: 234-1015P47, NCS8-4-20, 11472578 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 58S125ST20?
58S125ST20 is cataloged in the U.S. Government catalog under NSN 5307-00-869-9607. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.