PartsTable
Technical Data Sheet
Download PDF

7520643 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7520643: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include thread_class: 2A STUD THREAD A, thread_length: 0.688 INCHES MINIMUM STUD THREAD IN, overall_length: 1.625 INCHES NOMINAL IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM, nominal_thread_size: 0.375 INCHES STUD THREAD IN, thread_pitch_diameters: +0.3402 TO 0.3416 INCHES NUT THREAD IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-752-0643, 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
7520643
NSN: 5307-00-752-0643
FSC: 5307 — Studs
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
thread_class2A STUD THREAD A
thread_length0.688 INCHES MINIMUM STUD THREAD IN
overall_length1.625 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
nominal_thread_size0.375 INCHES STUD THREAD IN
thread_pitch_diameters+0.3402 TO 0.3416 INCHES NUT THREAD IN
thread_quantity_per_inch16 NUT THREAD
thread_series_designatorUNF STUD THREAD
NSN5307-00-752-0643
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7520643 · 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: 0.625 INCHES MINIMUM NUT THREAD IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
THREAD PITCH DIAMETERS: +0.3402 TO 0.3416 INCHES NUT THREAD IN
•
NOMINAL THREAD SIZE: 0.375 INCHES STUD THREAD IN
•
THREAD CLASS: 2A STUD THREAD A
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.625 INCHES MINIMUM NUT THREAD IN
THREAD LENGTH0.688 INCHES MINIMUM STUD THREAD IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
THREAD PITCH DIAMETERS+0.3402 TO 0.3416 INCHES NUT THREAD IN
OVERALL LENGTH1.625 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.375 INCHES NUT THREAD IN
THREAD CLASS2A STUD THREAD A
THREAD QUANTITY PER INCH16 NUT THREAD
THREAD QUANTITY PER INCH24 STUD THREAD
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 7520643?
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 7520643?
7520643 is a STUD,PLAIN.
What is the NSN for 7520643?
7520643 is cataloged in the U.S. Government catalog under NSN 5307-00-752-0643. 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 — 7520643

✓ 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.