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Technical Data Sheet
PartsTable / COMPONENT / 186618
186618 ✓ Verified by PartsTable
Hama · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,MACHINE is a Hama industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 0.139 INCHES MINIMUM IN, head_height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.456 INCHES MINIMUM AND 0.486 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-226-4824, 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
186618
NSN: 5306-00-226-4824
FSC: 5306
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length0.139 INCHES MINIMUM IN
head_height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_class2A A
thread_length0.456 INCHES MINIMUM AND 0.486 INCHES MAXIMUM IN
fastener_length0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
nominal_thread_diameter0.312 INCHES IN
NSN5306-00-226-4824
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 186618 · Hama ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
FF-S-85Upgraded Successor
successor cross-reference
successor
MS51105-332Upgraded Successor
successor cross-reference
successor
100023Upgraded Successor
successor cross-reference
successor
355456SUpgraded Successor
successor cross-reference
successor
100125Upgraded Successor
successor cross-reference
successor
106327Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 186618?
186618 is a BOLT,MACHINE manufactured by Hama.
What parts can replace 186618?
There are 21 known substitutes for 186618: FF-S-85, MS51105-332, 100023 and 18 more. Substitute compatibility should be verified for your specific system.
Is 186618 still available?
186618 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026