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Technical Data Sheet
PartsTable / COMPONENT / 8-52-T03 ITEM 12
8-52-T03 ITEM 12 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-077-1806, 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
8-52-T03 ITEM 12
NSN: 5310-01-077-1806
FSC: 5310
CAGE: 32386 — ILLINOIS TOOL WKS INC LINAC DIV (USA)
SPECIFICATIONS
Part Number8-52-T03 ITEM 12
NSN5310-01-077-1806
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8-52-T03 ITEM 12 · 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
85-294Interchangeable
interchangeable cross-reference
interchangeable
GGG-H-33 TY1CL3STDInterchangeable
interchangeable cross-reference
interchangeable
69-189Interchangeable
interchangeable cross-reference
interchangeable
30XHInterchangeable
interchangeable cross-reference
interchangeable
8-52T07ITEM11Interchangeable
interchangeable cross-reference
interchangeable
8-52T-07Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8-52-T03 ITEM 12?
8-52-T03 ITEM 12 is a WASHER,FLAT.
What parts can replace 8-52-T03 ITEM 12?
There are 6 known substitutes for 8-52-T03 ITEM 12: 85-294, GGG-H-33 TY1CL3STD, 69-189 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8-52-T03 ITEM 12?
8-52-T03 ITEM 12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-077-1806. 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