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8437037 — STUD,STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8437037: STUD,STEPPED.

The STUD,STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1020, thread_class: 2A STUD THREAD A, thread_length: 0.420 INCHES MINIMUM NUT THREAD IN, overall_length: 5.200 INCHES NOMINAL IN, shank_diameter: 0.190 INCHES NOMINAL IN, style_designator: STEPPED. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-824-0743, 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
8437037
NSN: 5307-00-824-0743
NIINs: 008240743, 017028571
FSC: 5307 — Studs
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1020
thread_class2A STUD THREAD A
thread_length0.420 INCHES MINIMUM NUT THREAD IN
overall_length5.200 INCHES NOMINAL IN
shank_diameter0.190 INCHES NOMINAL IN
style_designatorSTEPPED
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.190 INCHES STUD THREAD IN
thread_quantity_per_inch32 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
NSN5307-00-824-0743
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8437037 · 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
•
SHANK DIAMETER: 0.190 INCHES NOMINAL IN
•
THREAD LENGTH: 0.420 INCHES MINIMUM NUT THREAD IN
•
STYLE DESIGNATOR: STEPPED
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.190 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.190 INCHES NOMINAL IN
THREAD LENGTH0.420 INCHES MINIMUM NUT THREAD IN
THREAD LENGTH0.470 INCHES MINIMUM STUD THREAD IN
STYLE DESIGNATORSTEPPED
OVERALL LENGTH5.200 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.190 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.164 INCHES NUT THREAD IN
SURFACE TREATMENTCADMIUM OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
5307008240743Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8437037?
8437037 is a STUD,STEPPED.
What parts can replace 8437037?
There is 1 known substitute for 8437037: 5307008240743. Substitute compatibility should be verified for your specific system.
What is the NSN for 8437037?
8437037 is cataloged in the U.S. Government catalog under NSN 5307-00-824-0743. 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.