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Technical Data Sheet
PartsTable / COMPONENT / 0123500
0123500 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-061-5302, 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
0123500
NSN: 5310-01-061-5302
FSC: 5310
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
Part Number0123500
NSN5310-01-061-5302
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0123500 · 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 15
116729PC319Interchangeable
interchangeable cross-reference
interchangeable
93027PC31Interchangeable
interchangeable cross-reference
interchangeable
118227PC319Interchangeable
interchangeable cross-reference
interchangeable
318BInterchangeable
interchangeable cross-reference
interchangeable
318-103Interchangeable
interchangeable cross-reference
interchangeable
513AJACKInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0123500?
0123500 is a WASHER,LOCK.
What parts can replace 0123500?
There are 15 known substitutes for 0123500: 116729PC319, 93027PC31, 118227PC319 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0123500?
0123500 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-061-5302. 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