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20574-80 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

20574-80: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include head_length: 0.125 INCHES NOMINAL IN, thread_class: 2A NUT THREAD A, head_diameter: 0.201 INCHES NOMINAL IN, thread_length: 0.375 INCHES NOMINAL NUT THREAD IN, locking_feature: HEAD DISTORTIONS, style_designator: SELF-LOCKING. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-024-7112, 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
20574-80
NSN: 5307-01-024-7112
FSC: 5307 — Studs
CAGE: 56563 — ALIGN AEROSPACE LLC (USA)
SPECIFICATIONS
head_length0.125 INCHES NOMINAL IN
thread_class2A NUT THREAD A
head_diameter0.201 INCHES NOMINAL IN
thread_length0.375 INCHES NOMINAL NUT THREAD IN
locking_featureHEAD DISTORTIONS
style_designatorSELF-LOCKING
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.138 INCHES NUT THREAD IN
distance_across_flats0.250 INCHES NOMINAL IN
thread_quantity_per_inch32 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
NSN5307-01-024-7112
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20574-80 · 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
•
THREAD LENGTH: 0.375 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: SELF-LOCKING
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.138 INCHES NUT THREAD IN
•
HEAD LENGTH: 0.125 INCHES NOMINAL IN
•
LOCKING FEATURE: HEAD DISTORTIONS
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.375 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATORSELF-LOCKING
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.138 INCHES NUT THREAD IN
HEAD LENGTH0.125 INCHES NOMINAL IN
LOCKING FEATUREHEAD DISTORTIONS
SURFACE TREATMENTPASSIVATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD CLASS2A NUT THREAD A
THREAD QUANTITY PER INCH32 NUT THREAD
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 1
950278-80Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 20574-80?
20574-80 is a STUD,SELF-LOCKING.
What parts can replace 20574-80?
There is 1 known substitute for 20574-80: 950278-80. Substitute compatibility should be verified for your specific system.
What is the NSN for 20574-80?
20574-80 is cataloged in the U.S. Government catalog under NSN 5307-01-024-7112. 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.