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PartsTable / COMPONENT / G-11-820GRN
G-11-820GRN ✓ 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: PLASTIC OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.141 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN, overall_diameter: 0.371 INCHES MINIMUM AND 0.379 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 5310-00-081-6282, 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
G-11-820GRN
NSN: 5310-00-081-6282
FSC: 5310
CAGE: 56137 — SPAULDING COMPOSITES CO COMPOSITE LAMINATES GROUP TONAWANDA OPN (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.141 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
overall_diameter0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-081-6282
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: G-11-820GRN · 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
•
MATERIAL: PLASTIC OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC OVERALL
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.062 INCHES NOMINAL IN
OVERALL DIAMETER0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
HOLE DIAMETER0.141 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
JMD-12-040Interchangeable
interchangeable cross-reference
interchangeable
2800-1066-00Interchangeable
interchangeable cross-reference
interchangeable
2672Interchangeable
interchangeable cross-reference
interchangeable
5048-749Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G-11-820GRN?
G-11-820GRN is a WASHER,FLAT.
What parts can replace G-11-820GRN?
There are 4 known substitutes for G-11-820GRN: JMD-12-040, 2800-1066-00, 2672 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G-11-820GRN?
G-11-820GRN is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-081-6282. 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