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PartsTable / COMPONENT / D800009 PIECE 18
D800009 PIECE 18 ✓ 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 5310-01-194-4839, 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
D800009 PIECE 18
NSN: 5310-01-194-4839
FSC: 5310
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
Part NumberD800009 PIECE 18
NSN5310-01-194-4839
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: D800009 PIECE 18 · 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
N1300-334-S-PPInterchangeable
interchangeable cross-reference
interchangeable
N5000-334-SInterchangeable
interchangeable cross-reference
interchangeable
873E194 PIECE 12Interchangeable
interchangeable cross-reference
interchangeable
58955Interchangeable
interchangeable cross-reference
interchangeable
10513787Interchangeable
interchangeable cross-reference
interchangeable
75034Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D800009 PIECE 18?
D800009 PIECE 18 is a WASHER,FLAT.
What parts can replace D800009 PIECE 18?
There are 6 known substitutes for D800009 PIECE 18: N1300-334-S-PP, N5000-334-S, 873E194 PIECE 12 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D800009 PIECE 18?
D800009 PIECE 18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-194-4839. 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