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4980220 ✓ 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: WOOL OR COTTON OR CELLULOSE OR GLASS OVERALL, thickness: 0.031 INCHES NOMINAL IN, hole_diameter: 0.328 INCHES NOMINAL IN, overall_diameter: 0.625 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-282-8876, 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
4980220
NSN: 5310-00-282-8876
FSC: 5310
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialWOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
thickness0.031 INCHES NOMINAL IN
hole_diameter0.328 INCHES NOMINAL IN
overall_diameter0.625 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-282-8876
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4980220 · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.031 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: WOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
•
HOLE DIAMETER: 0.328 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.031 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALWOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
HOLE DIAMETER0.328 INCHES NOMINAL IN
OVERALL DIAMETER0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
140-9-1562Interchangeable
interchangeable cross-reference
interchangeable
192870Interchangeable
interchangeable cross-reference
interchangeable
140-009-15Interchangeable
interchangeable cross-reference
interchangeable
37002-39Interchangeable
interchangeable cross-reference
interchangeable
109151Interchangeable
interchangeable cross-reference
interchangeable
190151Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4980220?
4980220 is a WASHER,FLAT.
What parts can replace 4980220?
There are 6 known substitutes for 4980220: 140-9-1562, 192870, 140-009-15 and 3 more. Substitute compatibility should be verified for your specific system.
Is 4980220 still available?
4980220 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026