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8351104 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8351104: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OR STEEL COMP 8742 OR STEEL COMP 8640 OR STEEL COMP 8642 OR STEEL COMP 4140 OR STEEL COMP 1144, thread_class: 2 NUT THREAD, thread_length: 1.750 INCHES NOMINAL NUT THREAD IN, overall_length: 3.820 INCHES MINIMUM AND 3.880 INCHES MAXIMUM IN, special_features: COMPOSITION ST1144 HEAT TREATMENT TO ROCKWELL HARDNESS "C" 30-37, thread_direction: RIGHT-HAND STUD THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-143-9252, 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
8351104
NSN: 5307-01-143-9252
NIINs: 011439252, 011448865, 011448866
FSC: 5307 — Studs
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OR STEEL COMP 8742 OR STEEL COMP 8640 OR STEEL COMP 8642 OR STEEL COMP 4140 OR STEEL COMP 1144
thread_class2 NUT THREAD
thread_length1.750 INCHES NOMINAL NUT THREAD IN
overall_length3.820 INCHES MINIMUM AND 3.880 INCHES MAXIMUM IN
special_featuresCOMPOSITION ST1144 HEAT TREATMENT TO ROCKWELL HARDNESS "C" 30-37
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.500 INCHES NUT THREAD IN
thread_pitch_diameters+0.4531 TO 0.4547 INCHES STUD THREAD IN
thread_quantity_per_inch20 NUT THREAD
thread_series_designatorUNF NUT THREAD
NSN5307-01-143-9252
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8351104 · 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: 0.940 INCHES NOMINAL STUD THREAD IN
•
THREAD PITCH DIAMETERS: +0.4531 TO 0.4547 INCHES STUD THREAD IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.500 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.940 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH1.750 INCHES NOMINAL NUT THREAD IN
THREAD PITCH DIAMETERS+0.4531 TO 0.4547 INCHES STUD THREAD IN
OVERALL LENGTH3.820 INCHES MINIMUM AND 3.880 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.500 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.500 INCHES STUD THREAD IN
SPECIAL FEATURESCOMPOSITION ST1144 HEAT TREATMENT TO ROCKWELL HARDNESS "C" 30-37
THREAD CLASS2 NUT THREAD
SUBSTITUTES & CROSS-REFERENCES 1
5307011439252Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 8351104?
8351104 is a STUD,PLAIN.
What parts can replace 8351104?
There is 1 known substitute for 8351104: 5307011439252. Substitute compatibility should be verified for your specific system.
What is the NSN for 8351104?
8351104 is cataloged in the U.S. Government catalog under NSN 5307-01-143-9252. 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.