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Technical Data Sheet
PartsTable / COMPONENT / 03040-181
03040-181 ✓ 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 03040-181 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-190-7915, 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
03040-181
NSN: 5315-01-190-7915
FSC: 5315
CAGE: 31361 — WOODWARD, INC. (USA)
SPECIFICATIONS
Part Number03040-181
NSN5315-01-190-7915
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 03040-181 · 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
BR99175Interchangeable
interchangeable cross-reference
interchangeable
S6110Interchangeable
interchangeable cross-reference
interchangeable
13198Interchangeable
interchangeable cross-reference
interchangeable
10018-17Interchangeable
interchangeable cross-reference
interchangeable
4-02Interchangeable
interchangeable cross-reference
interchangeable
100-1831Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 03040-181?
03040-181 is a 03040-181.
What parts can replace 03040-181?
There are 15 known substitutes for 03040-181: BR99175, S6110, 13198 and 12 more. Substitute compatibility should be verified for your specific system.
Is 03040-181 still available?
03040-181 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