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PartsTable / COMPONENT / 98019A514
98019A514 ✓ 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: PUMP ASSEMBLY, WATER 4320-01-533-6418; LOGISTICS SUPPORT VESSEL, part_name_assigned_by_controlling_agency: FLAT WASHER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-560-2647, 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
98019A514
NSN: 5310-01-560-2647
FSC: 5310
CAGE: 3A054 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
end_item_identificationPUMP ASSEMBLY, WATER 4320-01-533-6418; LOGISTICS SUPPORT VESSEL
part_name_assigned_by_controlling_agencyFLAT WASHER
NSN5310-01-560-2647
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 98019A514 · 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 AGENCYFLAT WASHER
END ITEM IDENTIFICATIONPUMP ASSEMBLY, WATER 4320-01-533-6418; LOGISTICS SUPPORT VESSEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
900195Interchangeable
interchangeable cross-reference
interchangeable
ST-195AInterchangeable
interchangeable cross-reference
interchangeable
195-AInterchangeable
interchangeable cross-reference
interchangeable
900061Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 98019A514?
98019A514 is a WASHER,FLAT.
What parts can replace 98019A514?
There are 4 known substitutes for 98019A514: 900195, ST-195A, 195-A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 98019A514?
98019A514 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-560-2647. 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