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4X389 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4X389: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL, thread_length: 0.750 INCHES MAXIMUM STUD THREAD IN, overall_length: 2.125 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.625 INCHES NUT THREAD IN, thread_pitch_diameters: +0.5690 TO 0.5720 INCHES STUD THREAD IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-298-4666, 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
4X389
NSN: 5307-00-298-4666
FSC: 5307 — Studs
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL
thread_length0.750 INCHES MAXIMUM STUD THREAD IN
overall_length2.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.625 INCHES NUT THREAD IN
thread_pitch_diameters+0.5690 TO 0.5720 INCHES STUD THREAD IN
thread_quantity_per_inch18 NUT THREAD
thread_series_designatorUNS NUT THREAD
NSN5307-00-298-4666
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4X389 · 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: 0.750 INCHES MAXIMUM STUD THREAD IN
•
THREAD PITCH DIAMETERS: +0.5689 TO 0.5889 INCHES NUT THREAD IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.625 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.750 INCHES MAXIMUM STUD THREAD IN
THREAD LENGTH0.875 INCHES MAXIMUM NUT THREAD IN
THREAD PITCH DIAMETERS+0.5689 TO 0.5889 INCHES NUT THREAD IN
THREAD PITCH DIAMETERS+0.5690 TO 0.5720 INCHES STUD THREAD IN
OVERALL LENGTH2.125 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.625 INCHES NUT THREAD IN
THREAD QUANTITY PER INCH18 NUT THREAD
MATERIALSTEEL
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
75-4X389Same 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 4X389?
4X389 is a STUD,PLAIN.
What parts can replace 4X389?
There is 1 known substitute for 4X389: 75-4X389. Substitute compatibility should be verified for your specific system.
What is the NSN for 4X389?
4X389 is cataloged in the U.S. Government catalog under NSN 5307-00-298-4666. 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.