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BS5-2021PC54 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BS5-2021PC54: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A NUT THREAD A, thread_length: 0.625 INCHES NOMINAL STUD THREAD IN, overall_length: 6.688 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.500 INCHES STUD THREAD IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-300-4110, 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
BS5-2021PC54
NSN: 5307-00-300-4110
FSC: 5307 — Studs
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL
thread_class3A NUT THREAD A
thread_length0.625 INCHES NOMINAL STUD THREAD IN
overall_length6.688 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.500 INCHES STUD THREAD IN
thread_quantity_per_inch13 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
NSN5307-00-300-4110
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BS5-2021PC54 · 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 NOMINAL STUD THREAD IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.500 INCHES NUT THREAD IN
•
THREAD CLASS: 3A NUT THREAD A
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.625 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH1.188 INCHES NOMINAL NUT THREAD IN
OVERALL LENGTH6.688 INCHES NOMINAL 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
THREAD CLASS3A NUT THREAD A
THREAD CLASS3A STUD THREAD A
THREAD QUANTITY PER INCH13 STUD THREAD
SUBSTITUTES & CROSS-REFERENCES 3
BS5-2043PC8Reference document
Same NSN cross-reference
Reference document — Secondary reference
BS5-2017PC54Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SMS-SD16Same 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 BS5-2021PC54?
BS5-2021PC54 is a STUD,PLAIN.
What parts can replace BS5-2021PC54?
There are 3 known substitutes for BS5-2021PC54: BS5-2043PC8, BS5-2017PC54, SMS-SD16. Substitute compatibility should be verified for your specific system.
What is the NSN for BS5-2021PC54?
BS5-2021PC54 is cataloged in the U.S. Government catalog under NSN 5307-00-300-4110. 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.