PartsTable
Technical Data Sheet
Download PDF

6643231-15 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6643231-15: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: CRITICAL APPLICATION ITEM (CAI), special_test_features: MATERIAL: ALLOY STEEL, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-061-8015, 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
6643231-15
NSN: 5307-01-061-8015
FSC: 5307 — Studs
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL
special_featuresCRITICAL APPLICATION ITEM (CAI)
special_test_featuresMATERIAL: ALLOY STEEL
criticality_code_justificationFEAT
NSN5307-01-061-8015
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6643231-15 · 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
•
SPECIAL TEST FEATURES: MATERIAL: ALLOY STEEL
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SPECIAL TEST FEATURESMATERIAL: ALLOY STEEL
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESCRITICAL APPLICATION ITEM (CAI)
MATERIALSTEEL
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 3
K-6643231 PIECE 15Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
781E489 PIECE 8Reference document
Same NSN cross-reference
Reference document — Secondary reference
K-6643231 P.15Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 6643231-15?
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 6643231-15?
6643231-15 is a STUD,PLAIN.
What parts can replace 6643231-15?
There are 3 known substitutes for 6643231-15: K-6643231 PIECE 15, 781E489 PIECE 8, K-6643231 P.15. Substitute compatibility should be verified for your specific system.
What is the NSN for 6643231-15?
6643231-15 is cataloged in the U.S. Government catalog under NSN 5307-01-061-8015. 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 — 6643231-15

✓ 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.