PartsTable
Technical Data Sheet
1817860C1 ✓ Verified by PartsTable
· 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 the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 10.9 OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 11.7 MILLIMETERS NOMINAL MM, thread_class: 6G G, thread_length: 42.0 MILLIMETERS MINIMUM MM, fastener_length: 70.0 MILLIMETERS NOMINAL MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-556-4905, 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
1817860C1
NSN: 5306-01-556-4905
FSC: 5306
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 10.9 OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height11.7 MILLIMETERS NOMINAL MM
thread_class6G G
thread_length42.0 MILLIMETERS MINIMUM MM
fastener_length70.0 MILLIMETERS NOMINAL MM
special_featuresPROPERTY CLASS AND MANUFACTURERS IDENTIFICATION ON TOPE OF HEAD
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
width_between_flats23.16 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM MM
end_item_identificationMRAP - COMMON NSN - USED ON 4 MRAP VARIANTS AND 1 OTHER WEAPON SYSTEM; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS
nominal_thread_diameter18.0 MILLIMETERS MM
NSN5306-01-556-4905
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1817860C1 · 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
SURFACE TREATMENT: PHOSPHATE OVERALL
THREAD SERIES DESIGNATOR: M
MATERIAL: STEEL PROPERTY CLASS 10.9 OVERALL
HEAD STYLE: HEXAGON EXTENDED WASHER
THREAD PITCH IN MILLIMETERS: 2.5
NOMINAL THREAD DIAMETER: 18.0 MILLIMETERS MM
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD SERIES DESIGNATORM
MATERIALSTEEL PROPERTY CLASS 10.9 OVERALL
HEAD STYLEHEXAGON EXTENDED WASHER
SPECIAL FEATURESPROPERTY CLASS AND MANUFACTURERS IDENTIFICATION ON TOPE OF HEAD
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, M18 X 70MM LONG MM
THREAD PITCH IN MILLIMETERS2.5
NOMINAL THREAD DIAMETER18.0 MILLIMETERS MM
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS23.16 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
2810L20-027Interchangeable
interchangeable cross-reference
interchangeable
39304Interchangeable
interchangeable cross-reference
interchangeable
0575Interchangeable
interchangeable cross-reference
interchangeable
8Q4036AInterchangeable
interchangeable cross-reference
interchangeable
12759-00493Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1817860C1?
1817860C1 is a BOLT,MACHINE.
What parts can replace 1817860C1?
There are 5 known substitutes for 1817860C1: 2810L20-027, 39304, 0575 and 2 more. Substitute compatibility should be verified for your specific system.
Is 1817860C1 still available?
1817860C1 is currently cancelled.
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