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20X2456 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

20X2456: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include thread_class: 2A NUT THREAD A, thread_length: 1.180 INCHES NOMINAL NUT THREAD IN, overall_length: 2.291 INCHES NOMINAL IN, locking_feature: KNURLED SHANK, style_designator: KNURLED SHANK, thread_series_designator: UNF NUT THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-447-2099, 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
20X2456
NSN: 5307-01-447-2099
FSC: 5307 — Studs
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
thread_class2A NUT THREAD A
thread_length1.180 INCHES NOMINAL NUT THREAD IN
overall_length2.291 INCHES NOMINAL IN
locking_featureKNURLED SHANK
style_designatorKNURLED SHANK
thread_series_designatorUNF NUT THREAD
NSN5307-01-447-2099
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20X2456 · 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: 1.180 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: KNURLED SHANK
•
LOCKING FEATURE: KNURLED SHANK
•
THREAD CLASS: 2A NUT THREAD A
•
THREAD SERIES DESIGNATOR: UNF NUT THREAD
TECHNICAL CHARACTERISTICS
THREAD LENGTH1.180 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATORKNURLED SHANK
OVERALL LENGTH2.291 INCHES NOMINAL IN
LOCKING FEATUREKNURLED SHANK
THREAD CLASS2A NUT THREAD A
THREAD SERIES DESIGNATORUNF 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
R009525RSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20X2456?
20X2456 is a STUD,SELF-LOCKING.
What parts can replace 20X2456?
There is 1 known substitute for 20X2456: R009525R. Substitute compatibility should be verified for your specific system.
What is the NSN for 20X2456?
20X2456 is cataloged in the U.S. Government catalog under NSN 5307-01-447-2099. 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.