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PartsTable / COMPONENT / E-161909 PIECE 6
E-161909 PIECE 6 ✓ 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 KEY,MACHINE 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 5315-01-241-0684, 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
E-161909 PIECE 6
NSN: 5315-01-241-0684
FSC: 5315
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
Part NumberE-161909 PIECE 6
NSN5315-01-241-0684
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: E-161909 PIECE 6 · 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 5
164164Interchangeable
interchangeable cross-reference
interchangeable
5315004250118Interchangeable
interchangeable cross-reference
interchangeable
98-1790Interchangeable
interchangeable cross-reference
interchangeable
11-132Interchangeable
interchangeable cross-reference
interchangeable
18-0967Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E-161909 PIECE 6?
E-161909 PIECE 6 is a KEY,MACHINE.
What parts can replace E-161909 PIECE 6?
There are 5 known substitutes for E-161909 PIECE 6: 164164, 5315004250118, 98-1790 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E-161909 PIECE 6?
E-161909 PIECE 6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-241-0684. 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