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PartsTable / COMPONENT / 97063A545
97063A545 ✓ 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: 0.126 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN, hole_diameter: 2.000 INCHES NOMINAL IN, overall_diameter: 3.500 INCHES NOMINAL 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 5310-01-302-9939, 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
97063A545
NSN: 5310-01-302-9939
FSC: 5310
CAGE: 3A054 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.126 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
hole_diameter2.000 INCHES NOMINAL IN
overall_diameter3.500 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-302-9939
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 97063A545 · 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: STEEL OVERALL
•
HOLE DIAMETER: 2.000 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.126 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 3.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
HOLE DIAMETER2.000 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.126 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN
OVERALL DIAMETER3.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
5920PL0647905Interchangeable
interchangeable cross-reference
interchangeable
S222002Interchangeable
interchangeable cross-reference
interchangeable
GE8421-3Interchangeable
interchangeable cross-reference
interchangeable
AS4842/1Interchangeable
interchangeable cross-reference
interchangeable
AS5198Interchangeable
interchangeable cross-reference
interchangeable
4213Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 97063A545?
97063A545 is a WASHER,FLAT.
What parts can replace 97063A545?
There are 17 known substitutes for 97063A545: 5920PL0647905, S222002, GE8421-3 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 97063A545?
97063A545 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-302-9939. 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