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PartsTable / COMPONENT / DIN 127B 8
DIN 127B 8 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 8.1 MILLIMETERS NOMINAL MM, outside_diameter: 14.8 MILLIMETERS NOMINAL MM, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: ZINC OVERALL, material_thickness: 2.0 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 5310-01-155-3889, 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
DIN 127B 8
NSN: 5310-01-155-3889
FSC: 5310
CAGE: 15526 — METRIC AND MULTISTANDARD COMPONENTS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter8.1 MILLIMETERS NOMINAL MM
outside_diameter14.8 MILLIMETERS NOMINAL MM
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentZINC OVERALL
material_thickness2.0 MILLIMETERS NOMINAL MM
end_item_identificationRG-31 MRAP & RCV
NSN5310-01-155-3889
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DIN 127B 8 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OUTSIDE DIAMETER: 14.8 MILLIMETERS NOMINAL MM
•
HOLE DIAMETER: 8.1 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT: ZINC OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL: STEEL OVERALL
•
MATERIAL THICKNESS: 2.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER14.8 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONRG-31 MRAP & RCV
HOLE DIAMETER8.1 MILLIMETERS NOMINAL MM
SURFACE TREATMENTZINC OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIALSTEEL OVERALL
MATERIAL THICKNESS2.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
PA4540Interchangeable
interchangeable cross-reference
interchangeable
DIE 60-120Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/8Interchangeable
interchangeable cross-reference
interchangeable
60120Interchangeable
interchangeable cross-reference
interchangeable
G138-268-003Interchangeable
interchangeable cross-reference
interchangeable
127B8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DIN 127B 8?
DIN 127B 8 is a WASHER,LOCK.
What parts can replace DIN 127B 8?
There are 18 known substitutes for DIN 127B 8: PA4540, DIE 60-120, QQ-A-200/8 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DIN 127B 8?
DIN 127B 8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-155-3889. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026