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Technical Data Sheet
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868E18 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

868E18: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1038 OVERALL, head_style: SQUARE, grip_length: 2.250 INCHES NOMINAL IN, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.000 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-382-8978, 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
868E18
NSN: 5306-00-382-8978
FSC: 5306 — Bolts
CAGE: 89749 — CLARK MATERIAL HANDLING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 1038 OVERALL
head_styleSQUARE
grip_length2.250 INCHES NOMINAL IN
head_height0.250 INCHES NOMINAL IN
thread_class3A A
thread_length1.000 INCHES MINIMUM IN
fastener_length3.250 INCHES NOMINAL IN
hardness_rating20.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.562 INCHES NOMINAL IN
nominal_thread_diameter0.375 INCHES IN
NSN5306-00-382-8978
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 868E18 · 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: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.250 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
HARDNESS RATING: 20.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: SQUARE
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.250 INCHES NOMINAL IN
FASTENER LENGTH3.250 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES MINIMUM IN
HARDNESS RATING20.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLESQUARE
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH2.250 INCHES NOMINAL IN
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 868E18?
868E18 is a BOLT,MACHINE.
What is the NSN for 868E18?
868E18 is cataloged in the U.S. Government catalog under NSN 5306-00-382-8978. 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.