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218-3274 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

218-3274: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_height: 1.070 INCHES NOMINAL IN, fastener_length: 2.830 INCHES NOMINAL IN, end_item_identification: MEDIIUM CRAWLER TRACTOR-CAT D5N, part_name_assigned_by_controlling_agency: BOLT. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-603-6720, 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
218-3274
NSN: 5306-01-603-6720
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
head_height1.070 INCHES NOMINAL IN
fastener_length2.830 INCHES NOMINAL IN
end_item_identificationMEDIIUM CRAWLER TRACTOR-CAT D5N
part_name_assigned_by_controlling_agencyBOLT
NSN5306-01-603-6720
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 218-3274 · 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
•
HEAD HEIGHT: 1.070 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.830 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT1.070 INCHES NOMINAL IN
FASTENER LENGTH2.830 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT
END ITEM IDENTIFICATIONMEDIIUM CRAWLER TRACTOR-CAT D5N
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 1
CV182558Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 218-3274?
218-3274 is a BOLT,MACHINE.
What parts can replace 218-3274?
There is 1 known substitute for 218-3274: CV182558. Substitute compatibility should be verified for your specific system.
What is the NSN for 218-3274?
218-3274 is cataloged in the U.S. Government catalog under NSN 5306-01-603-6720. 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.