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PartsTable / COMPONENT / 50125800
50125800 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include end_item_identification: 4320-01-390-8214, part_name_assigned_by_controlling_agency: DISC 8X14X0.5. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-526-2440, 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
50125800
NSN: 5310-01-526-2440
FSC: 5310
CAGE: 61080 — HATZ DIESEL OF AMERICA INC (USA)
SPECIFICATIONS
end_item_identification4320-01-390-8214
part_name_assigned_by_controlling_agencyDISC 8X14X0.5
NSN5310-01-526-2440
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 50125800 · 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
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYDISC 8X14X0.5
END ITEM IDENTIFICATION4320-01-390-8214
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
821-10Interchangeable
interchangeable cross-reference
interchangeable
26241Interchangeable
interchangeable cross-reference
interchangeable
69851AInterchangeable
interchangeable cross-reference
interchangeable
826540Interchangeable
interchangeable cross-reference
interchangeable
711662810802Interchangeable
interchangeable cross-reference
interchangeable
82110-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50125800?
50125800 is a WASHER,FLAT.
What parts can replace 50125800?
There are 7 known substitutes for 50125800: 821-10, 26241, 69851A and 4 more. Substitute compatibility should be verified for your specific system.
Is 50125800 still available?
50125800 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