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Technical Data Sheet
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31070R1 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

31070R1: BOLT,MACHINE.

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: 11.8 MILLIMETERS MAXIMUM MM, thread_length: 50.0 MILLIMETERS MAXIMUM MM, fastener_length: 80.0 MILLIMETERS NOMINAL MM, special_features: PART OF MINE RESISTANT AMBUSH PROTECTED. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-512-1660, 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
31070R1
NSN: 5306-01-512-1660
FSC: 5306 — Bolts
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 10.9 OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height11.8 MILLIMETERS MAXIMUM MM
thread_classSCREW THREADS SHALL BE STANDARD COARSE PITCH EXTERNAL METRIC SCREW THREADS WITH TOLERANCE CLASS 6G CONFORMING TO ASME B1.13M G
thread_length50.0 MILLIMETERS MAXIMUM MM
fastener_length80.0 MILLIMETERS NOMINAL MM
special_featuresPART OF MINE RESISTANT AMBUSH PROTECTED
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
end_item_identificationMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 3 OTHER WEAPON SYSTEMS.
nominal_thread_diameter12.0 MILLIMETERS MM
extended_washer_diameter23.8 MILLIMETERS MAXIMUM MM
NSN5306-01-512-1660
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 31070R1 · 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
•
EXTENDED WASHER THICKNESS: 1.8 MILLIMETERS MINIMUM MM
•
HEAD HEIGHT: 11.8 MILLIMETERS MAXIMUM MM
•
FASTENER LENGTH: 80.0 MILLIMETERS NOMINAL MM
•
EXTENDED WASHER DIAMETER: 23.8 MILLIMETERS MAXIMUM MM
•
THREAD PITCH IN MILLIMETERS: 1.7
•
THREAD LENGTH: 50.0 MILLIMETERS MAXIMUM MM
•
MATERIAL DOCUMENT AND CLASSIFICATION: ISO 68, 261, 262, 888, 898/1, 965/1 AND 965/2 .ANSI B-18.2.3.9M - 2001 (HEAVY HEX DIMENSIONS) NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 12.0 MILLIMETERS MM
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS1.8 MILLIMETERS MINIMUM MM
HEAD HEIGHT11.8 MILLIMETERS MAXIMUM MM
FASTENER LENGTH80.0 MILLIMETERS NOMINAL MM
EXTENDED WASHER DIAMETER23.8 MILLIMETERS MAXIMUM MM
THREAD PITCH IN MILLIMETERS1.7
THREAD LENGTH50.0 MILLIMETERS MAXIMUM MM
MATERIAL DOCUMENT AND CLASSIFICATIONISO 68, 261, 262, 888, 898/1, 965/1 AND 965/2 .ANSI B-18.2.3.9M - 2001 (HEAVY HEX DIMENSIONS) NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER12.0 MILLIMETERS MM
HEAD STYLEHEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31070R1?
31070R1 is a BOLT,MACHINE.
What is the NSN for 31070R1?
31070R1 is cataloged in the U.S. Government catalog under NSN 5306-01-512-1660. This indicates validated use in U.S. government and defense supply chains.
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