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34S(0.125)-ST-6 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

34S(0.125)-ST-6: 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: 0.155 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN, thread_length: 0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM NUT THREAD IN, overall_length: 0.284 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-109-8063, 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
34S(0.125)-ST-6
NSN: 5307-00-109-8063
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_diameter0.155 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
thread_length0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM NUT THREAD IN
overall_length0.284 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
locking_featureSELF-CLINCHING HEAD
style_designatorSELF-LOCKING
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.112 INCHES NUT THREAD IN
distance_across_flats0.188 INCHES NOMINAL IN
NSN5307-00-109-8063
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 34S(0.125)-ST-6 · 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: MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM NUT THREAD IN
•
STYLE DESIGNATOR: SELF-LOCKING
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.112 INCHES NUT THREAD IN
•
HEAD LENGTH: 0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM NUT THREAD IN
STYLE DESIGNATORSELF-LOCKING
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.284 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.112 INCHES NUT THREAD IN
HEAD LENGTH0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
LOCKING FEATURESELF-CLINCHING HEAD
SURFACE TREATMENTPASSIVATE OVERALL
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES 4
M63540/3-8-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
860336-63Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
610073P71Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
NCS4S4-6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 34S(0.125)-ST-6?
34S(0.125)-ST-6 is a STUD,SELF-LOCKING.
What parts can replace 34S(0.125)-ST-6?
There are 4 known substitutes for 34S(0.125)-ST-6: M63540/3-8-3, 860336-63, 610073P71 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 34S(0.125)-ST-6?
34S(0.125)-ST-6 is cataloged in the U.S. Government catalog under NSN 5307-00-109-8063. 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.