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PA47718 ✓ 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 5310-01-522-4845, 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
PA47718
NSN: 5310-01-522-4845
FSC: 5310
CAGE: 12190 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA ENERTECH DIV CURTISS-WRIGHT FLOW CONTROL (USA)
SPECIFICATIONS
Part NumberPA47718
NSN5310-01-522-4845
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PA47718 · 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 7
C2874D18Interchangeable
interchangeable cross-reference
interchangeable
477-18Interchangeable
interchangeable cross-reference
interchangeable
5340PL0837509Interchangeable
interchangeable cross-reference
interchangeable
003623Interchangeable
interchangeable cross-reference
interchangeable
D1E 1/2Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PA47718?
PA47718 is a WASHER,FLAT.
What parts can replace PA47718?
There are 7 known substitutes for PA47718: C2874D18, 477-18, 5340PL0837509 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PA47718?
PA47718 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-522-4845. 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