PartsTable
Technical Data Sheet
Download PDF

20X359 — STUD,RECESSED AND STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

20X359: STUD,RECESSED AND STEPPED.

The STUD,RECESSED AND STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL, thread_length: 0.938 INCHES MAXIMUM STUD THREAD IN, hardness_rating: 18.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM, special_features: ROCKWELL HARDNESS ON STUD END, thread_direction: LEFT-HAND STUD THREAD, nominal_thread_size: 1.125 INCHES NUT THREAD IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-303-4989, 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
20X359
NSN: 5307-00-303-4989
FSC: 5307 — Studs
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL
thread_length0.938 INCHES MAXIMUM STUD THREAD IN
hardness_rating18.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
special_featuresROCKWELL HARDNESS ON STUD END
thread_directionLEFT-HAND STUD THREAD
nominal_thread_size1.125 INCHES NUT THREAD IN
thread_pitch_diameters+1.0764 TO 1.0804 INCHES NUT THREAD IN
thread_quantity_per_inch16 NUT THREAD
thread_series_designatorUN NUT THREAD
NSN5307-00-303-4989
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20X359 · 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: 0.938 INCHES MAXIMUM STUD THREAD IN
•
HARDNESS RATING: 18.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
•
THREAD PITCH DIAMETERS: +0.7044 TO 0.7084 INCHES STUD THREAD IN
•
THREAD DIRECTION: LEFT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.750 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.938 INCHES MAXIMUM STUD THREAD IN
THREAD LENGTH1.219 INCHES MINIMUM NUT THREAD IN
HARDNESS RATING18.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
THREAD PITCH DIAMETERS+0.7044 TO 0.7084 INCHES STUD THREAD IN
THREAD PITCH DIAMETERS+1.0764 TO 1.0804 INCHES NUT THREAD IN
THREAD DIRECTIONLEFT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.750 INCHES STUD THREAD IN
NOMINAL THREAD SIZE1.125 INCHES NUT THREAD IN
SPECIAL FEATURESROCKWELL HARDNESS ON STUD END
SUBSTITUTES & CROSS-REFERENCES 1
35090Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 20X359?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 20X359?
20X359 is a STUD,RECESSED AND STEPPED.
What parts can replace 20X359?
There is 1 known substitute for 20X359: 35090. Substitute compatibility should be verified for your specific system.
What is the NSN for 20X359?
20X359 is cataloged in the U.S. Government catalog under NSN 5307-00-303-4989. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 20X359

✓ 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.