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31092R1 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

31092R1: 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: 18.9 MILLIMETERS MAXIMUM MM, head_diameter: 23.2 MILLIMETERS MINIMUM AND 30.0 MILLIMETERS MAXIMUM MM, fastener_length: 140.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-566-5923, 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
31092R1
NSN: 5306-01-566-5923
FSC: 5306 — Bolts
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 10.9 OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height18.9 MILLIMETERS MAXIMUM MM
head_diameter23.2 MILLIMETERS MINIMUM AND 30.0 MILLIMETERS MAXIMUM MM
fastener_length140.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
end_item_identificationMRAP MAXXPRO
extended_washer_diameter43.0 MILLIMETERS MAXIMUM MM
thread_series_designatorM
extended_washer_thickness3.0 MILLIMETERS MINIMUM MM
part_name_assigned_by_controlling_agencyBOLT, M20 X 140 PHC CL 10.9 FL
NSN5306-01-566-5923
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 31092R1 · 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: 3.0 MILLIMETERS MINIMUM MM
•
HEAD HEIGHT: 18.9 MILLIMETERS MAXIMUM MM
•
FASTENER LENGTH: 140.0 MILLIMETERS NOMINAL MM
•
EXTENDED WASHER DIAMETER: 43.0 MILLIMETERS MAXIMUM MM
•
MATERIAL DOCUMENT AND CLASSIFICATION: INTERNATIONAL ORGANIZATION FOR STANDARDIZATION: ISO 68, 261, 262, 888, 898/1, 965/1 AND 965/2. AMERICAN NATIONAL STANDARD: ANSI B-18.2.3.9M - 2001 (HEAVY HEX DIMENSIONS) NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL
•
HEAD STYLE: HEXAGON EXTENDED WASHER
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: PHOSPHATE OVERALL
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS3.0 MILLIMETERS MINIMUM MM
HEAD HEIGHT18.9 MILLIMETERS MAXIMUM MM
FASTENER LENGTH140.0 MILLIMETERS NOMINAL MM
EXTENDED WASHER DIAMETER43.0 MILLIMETERS MAXIMUM MM
MATERIAL DOCUMENT AND CLASSIFICATIONINTERNATIONAL ORGANIZATION FOR STANDARDIZATION: ISO 68, 261, 262, 888, 898/1, 965/1 AND 965/2. AMERICAN NATIONAL STANDARD: ANSI B-18.2.3.9M - 2001 (HEAVY HEX DIMENSIONS) NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL
HEAD STYLEHEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTPHOSPHATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, M20 X 140 PHC CL 10.9 FL
END ITEM IDENTIFICATIONMRAP MAXXPRO
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31092R1?
31092R1 is a BOLT,MACHINE.
What is the NSN for 31092R1?
31092R1 is cataloged in the U.S. Government catalog under NSN 5306-01-566-5923. 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.