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PartsTable / COMPONENT / 52-077-375-17500R51-077-375-1750
52-077-375-17500R51-077-375-1750 ✓ 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 PIN,SPRING is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-810-3704, 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
52-077-375-17500R51-077-375-1750
NSN: 5315-00-810-3704
FSC: 5315
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
Part Number52-077-375-17500R51-077-375-1750
NSN5315-00-810-3704
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 52-077-375-17500R51-077-375-1750 · 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 20
3VP340Interchangeable
interchangeable cross-reference
interchangeable
203SSInterchangeable
interchangeable cross-reference
interchangeable
6203-2RSInterchangeable
interchangeable cross-reference
interchangeable
2514Interchangeable
interchangeable cross-reference
interchangeable
5043-1Interchangeable
interchangeable cross-reference
interchangeable
221B1025REVCInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 52-077-375-17500R51-077-375-1750?
52-077-375-17500R51-077-375-1750 is a PIN,SPRING.
What parts can replace 52-077-375-17500R51-077-375-1750?
There are 20 known substitutes for 52-077-375-17500R51-077-375-1750: 3VP340, 203SS, 6203-2RS and 17 more. Substitute compatibility should be verified for your specific system.
Is 52-077-375-17500R51-077-375-1750 still available?
52-077-375-17500R51-077-375-1750 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