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418555 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

418555: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include special_features: NHA-DRUM ASSEMBLY, end_item_identification: HERCULES 50K WINCH, nominal_thread_diameter: 0.50 INCHES IN, thread_quantity_per_inch: 1.25, part_name_assigned_by_controlling_agency: SHOULDER BOLT. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-717-3210, 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
418555
NSN: 5306-01-717-3210
FSC: 5306 — Bolts
CAGE: 23911 — RAMSEY WINCH CO (USA)
SPECIFICATIONS
special_featuresNHA-DRUM ASSEMBLY
end_item_identificationHERCULES 50K WINCH
nominal_thread_diameter0.50 INCHES IN
thread_quantity_per_inch1.25
part_name_assigned_by_controlling_agencySHOULDER BOLT
NSN5306-01-717-3210
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 418555 · 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
•
NOMINAL THREAD DIAMETER: 0.50 INCHES IN
•
THREAD QUANTITY PER INCH: 1.25
TECHNICAL CHARACTERISTICS
NOMINAL THREAD DIAMETER0.50 INCHES IN
SPECIAL FEATURESNHA-DRUM ASSEMBLY
PART NAME ASSIGNED BY CONTROLLING AGENCYSHOULDER BOLT
END ITEM IDENTIFICATIONHERCULES 50K WINCH
THREAD QUANTITY PER INCH1.25
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 418555?
418555 is a BOLT,SHOULDER.
What is the NSN for 418555?
418555 is cataloged in the U.S. Government catalog under NSN 5306-01-717-3210. 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.