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Technical Data Sheet
PartsTable / COMPONENT / 5275F 2.50IN IT20
5275F 2.50IN IT20 ✓ 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 5275F 2.50IN IT20 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-420-1807, 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
5275F 2.50IN IT20
NSN: 5310-01-420-1807
FSC: 5310
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
Part Number5275F 2.50IN IT20
NSN5310-01-420-1807
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5275F 2.50IN IT20 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
600019Interchangeable
interchangeable cross-reference
interchangeable
A-019Interchangeable
interchangeable cross-reference
interchangeable
LC-058GH-08SInterchangeable
interchangeable cross-reference
interchangeable
LC-058GH-8Interchangeable
interchangeable cross-reference
interchangeable
20440 PC 18Interchangeable
interchangeable cross-reference
interchangeable
WALWORTH 5275F 2.50IN IT20Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5275F 2.50IN IT20?
5275F 2.50IN IT20 is a 5275F 2.50IN IT20.
What parts can replace 5275F 2.50IN IT20?
There are 6 known substitutes for 5275F 2.50IN IT20: 600019, A-019, LC-058GH-08S and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5275F 2.50IN IT20?
5275F 2.50IN IT20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-420-1807. 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