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PartsTable / COMPONENT / 2110091
2110091 ✓ 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

NUT,PLAIN,EXTENDED WASHER,HEXAGO. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-079-8810, 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
2110091
NSN: 5310-00-079-8810
FSC: 5310
CAGE: S4956 — EMBRAER EMPRESA BRASILEIRA DE AERONAUTICA SA (BRA)
SPECIFICATIONS
Part Number2110091
NSN5310-00-079-8810
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2110091 · 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 9
GGG-S-66Interchangeable
interchangeable cross-reference
interchangeable
720-001668Interchangeable
interchangeable cross-reference
interchangeable
36-004800Interchangeable
interchangeable cross-reference
interchangeable
H1-48Interchangeable
interchangeable cross-reference
interchangeable
M48S48Interchangeable
interchangeable cross-reference
interchangeable
R21-48Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2110091?
2110091 is a NUT,PLAIN,EXTENDED WASHER,HEXAGO.
What parts can replace 2110091?
There are 9 known substitutes for 2110091: GGG-S-66, 720-001668, 36-004800 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2110091?
2110091 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-079-8810. 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