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PartsTable / COMPONENT / EX-1403 PIECE 111
EX-1403 PIECE 111 ✓ 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 5310-01-237-6714, 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
EX-1403 PIECE 111
NSN: 5310-01-237-6714
FSC: 5310
CAGE: 37619 — MADISON-KIPP CORP (USA)
SPECIFICATIONS
Part NumberEX-1403 PIECE 111
NSN5310-01-237-6714
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: EX-1403 PIECE 111 · 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 10
50531Interchangeable
interchangeable cross-reference
interchangeable
FV 1030094Interchangeable
interchangeable cross-reference
interchangeable
LC-038G-5-SSInterchangeable
interchangeable cross-reference
interchangeable
887F050025 ITEM 42Interchangeable
interchangeable cross-reference
interchangeable
CP-442Interchangeable
interchangeable cross-reference
interchangeable
CP7100Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EX-1403 PIECE 111?
EX-1403 PIECE 111 is a WASHER,FLAT.
What parts can replace EX-1403 PIECE 111?
There are 10 known substitutes for EX-1403 PIECE 111: 50531, FV 1030094, LC-038G-5-SS and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for EX-1403 PIECE 111?
EX-1403 PIECE 111 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-237-6714. 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