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PartsTable / COMPONENT / 9L9099
9L9099 ✓ 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. Key specifications include material: STEEL OVERALL, thickness: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN, hole_diameter: 0.376 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN, overall_diameter: 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-160-1613, 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
9L9099
NSN: 5310-00-160-1613
FSC: 5310
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
hole_diameter0.376 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN
overall_diameter0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-160-1613
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9L9099 · 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
KEY FEATURES
•
OVERALL DIAMETER: 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.376 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN
•
THICKNESS: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
HOLE DIAMETER0.376 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN
THICKNESS0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
GGG-D-751Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
150 29Interchangeable
interchangeable cross-reference
interchangeable
HLI-1Interchangeable
interchangeable cross-reference
interchangeable
18029Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9L9099?
9L9099 is a WASHER,FLAT.
What parts can replace 9L9099?
There are 5 known substitutes for 9L9099: GGG-D-751, 1340, 150 29 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9L9099?
9L9099 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-160-1613. 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