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U0400482 ✓ 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: COBALT OVERALL, hole_diameter: 0.375 INCHES NOMINAL IN, outside_diameter: 0.680 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.094 INCHES NOMINAL IN, end_item_identification: MRAP BUFFALO MK2A2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-565-1621, 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
U0400482
NSN: 5310-01-565-1621
FSC: 5310
CAGE: F9980 — JIGE INTERNATIONAL (FRA)
SPECIFICATIONS
materialCOBALT OVERALL
hole_diameter0.375 INCHES NOMINAL IN
outside_diameter0.680 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.094 INCHES NOMINAL IN
end_item_identificationMRAP BUFFALO MK2A2
specification/standard_dataASME-B18.0 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
NSN5310-01-565-1621
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: U0400482 · 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
•
MATERIAL: COBALT OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
SPECIFICATION/STANDARD DATA: ASME-B18.0 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
•
OUTSIDE DIAMETER: 0.680 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.094 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2
MATERIALCOBALT OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
SPECIFICATION/STANDARD DATAASME-B18.0 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
OUTSIDE DIAMETER0.680 INCHES NOMINAL IN
MATERIAL THICKNESS0.094 INCHES NOMINAL IN
HOLE DIAMETER0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
33622Interchangeable
interchangeable cross-reference
interchangeable
B58740Interchangeable
interchangeable cross-reference
interchangeable
B06D35Interchangeable
interchangeable cross-reference
interchangeable
B1175-8Interchangeable
interchangeable cross-reference
interchangeable
H3362200Interchangeable
interchangeable cross-reference
interchangeable
161467Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U0400482?
U0400482 is a WASHER,LOCK.
What parts can replace U0400482?
There are 9 known substitutes for U0400482: 33622, B58740, B06D35 and 6 more. Substitute compatibility should be verified for your specific system.
Is U0400482 still available?
U0400482 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026