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SC2663-3-1 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SC2663-3-1: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5306-01-253-6432, 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
SC2663-3-1
NSN: 5306-01-253-6432
FSC: 5306 — Bolts
CAGE: 06950 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
Part NumberSC2663-3-1
NSN5306-01-253-6432
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SC2663-3-1 · 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
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 6
MB251-3-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST3M731-3-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
VS3207-3-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
PBF1264-3-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
111364-3-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
801651-3-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SC2663-3-1?
SC2663-3-1 is a BOLT,MACHINE.
What parts can replace SC2663-3-1?
There are 6 known substitutes for SC2663-3-1: MB251-3-1, ST3M731-3-1, VS3207-3-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SC2663-3-1?
SC2663-3-1 is cataloged in the U.S. Government catalog under NSN 5306-01-253-6432. This indicates validated use in U.S. government and defense supply chains.
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