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Technical Data Sheet
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665-218 — STUD SPECIAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

665-218: STUD SPECIAL.

The STUD SPECIAL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5307-00-452-8271, 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
665-218
NSN: 5307-00-452-8271
FSC: 5307 — Studs
CAGE: U4287 — ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED (GBR)
SPECIFICATIONS
Part Number665-218
NSN5307-00-452-8271
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 665-218 · 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
SUBSTITUTES & CROSS-REFERENCES 1
5307-99-606Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 665-218?
665-218 is a STUD SPECIAL.
What parts can replace 665-218?
There is 1 known substitute for 665-218: 5307-99-606. Substitute compatibility should be verified for your specific system.
What is the NSN for 665-218?
665-218 is cataloged in the U.S. Government catalog under NSN 5307-00-452-8271. 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.