PartsTable
Technical Data Sheet
40055R1 ✓ 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 OVERALL, head_style: DOUBLE HEXAGON, grip_length: 19.0 MILLIMETERS NOMINAL MM, head_height: 20.0 MILLIMETERS NOMINAL MM, head_diameter: 22.5 MILLIMETERS NOMINAL MM, thread_length: 70.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-556-6507, 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
40055R1
NSN: 5306-01-556-6507
FSC: 5306
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDOUBLE HEXAGON
grip_length19.0 MILLIMETERS NOMINAL MM
head_height20.0 MILLIMETERS NOMINAL MM
head_diameter22.5 MILLIMETERS NOMINAL MM
thread_length70.0 MILLIMETERS NOMINAL MM
fastener_length70.0 MILLIMETERS NOMINAL MM
special_featuresFINISH: PHOSPHATE COATING
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
end_item_identificationMRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS
nominal_thread_diameter20.0 MILLIMETERS MM
NSN5306-01-556-6507
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 40055R1 · 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
THREAD SERIES DESIGNATOR: M
HEAD HEIGHT: 20.0 MILLIMETERS NOMINAL MM
GRIP LENGTH: 19.0 MILLIMETERS NOMINAL MM
HEAD DIAMETER: 22.5 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER: 20.0 MILLIMETERS MM
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORM
HEAD HEIGHT20.0 MILLIMETERS NOMINAL MM
GRIP LENGTH19.0 MILLIMETERS NOMINAL MM
HEAD DIAMETER22.5 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONMRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS
SPECIAL FEATURESFINISH: PHOSPHATE COATING
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, M20 X 70 12PT
NOMINAL THREAD DIAMETER20.0 MILLIMETERS MM
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH70.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
6002-41Interchangeable
interchangeable cross-reference
interchangeable
40782Interchangeable
interchangeable cross-reference
interchangeable
FP4589Interchangeable
interchangeable cross-reference
interchangeable
2932799Interchangeable
interchangeable cross-reference
interchangeable
55175Interchangeable
interchangeable cross-reference
interchangeable
240782Interchangeable
Antigen,proteus Ox 19
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40055R1?
40055R1 is a BOLT,MACHINE.
What parts can replace 40055R1?
There are 9 known substitutes for 40055R1: 6002-41, 40782, FP4589 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40055R1?
40055R1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-556-6507. This indicates validated use in U.S. government and defense supply chains.
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