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7378743 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7378743: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 4140, thread_class: 2A NUT THREAD A, thread_length: 0.875 INCHES MINIMUM NUT THREAD IN, overall_length: 2.219 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM, thread_direction: RIGHT-HAND STUD THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-737-8743, 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
7378743
NSN: 5307-00-737-8743
FSC: 5307 — Studs
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 4140
thread_class2A NUT THREAD A
thread_length0.875 INCHES MINIMUM NUT THREAD IN
overall_length2.219 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.500 INCHES STUD THREAD IN
thread_pitch_diameters+0.4561 TO 0.4577 INCHES STUD THREAD IN
cotter_pin_hole_diameter0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM FIRST HOLE IN
thread_quantity_per_inch13 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationQQ-S-624 FED SPEC ALL MATERIAL RESPONSES
NSN5307-00-737-8743
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7378743 · 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
•
COTTER PIN HOLE DIAMETER: 0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM FIRST HOLE IN
•
THREAD LENGTH: 0.875 INCHES MINIMUM NUT THREAD IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
THREAD PITCH DIAMETERS: +0.4561 TO 0.4577 INCHES STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC ALL MATERIAL RESPONSES
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
COTTER PIN HOLE DIAMETER0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM FIRST HOLE IN
THREAD LENGTH0.875 INCHES MINIMUM NUT THREAD IN
THREAD LENGTH0.938 INCHES MINIMUM STUD THREAD IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
THREAD PITCH DIAMETERS+0.4561 TO 0.4577 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC ALL MATERIAL RESPONSES
OVERALL LENGTH2.219 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.500 INCHES NUT THREAD IN
SUBSTITUTES & CROSS-REFERENCES 1
5307007378743Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7378743?
7378743 is a STUD,PLAIN.
What parts can replace 7378743?
There is 1 known substitute for 7378743: 5307007378743. Substitute compatibility should be verified for your specific system.
What is the NSN for 7378743?
7378743 is cataloged in the U.S. Government catalog under NSN 5307-00-737-8743. 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.