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PartsTable / COMPONENT / A3210097-3
A3210097-3 ✓ 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 COMP 316 OVERALL, thickness: 0.065 INCHES NOMINAL IN, hole_diameter: 0.281 INCHES NOMINAL IN, overall_diameter: 0.625 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-391-7504, 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
A3210097-3
NSN: 5310-01-391-7504
FSC: 5310
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
thickness0.065 INCHES NOMINAL IN
hole_diameter0.281 INCHES NOMINAL IN
overall_diameter0.625 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
departure_from_cited_documentAS MODIFIED BY MATERIAL
NSN5310-01-391-7504
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A3210097-3 · 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
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.281 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY MATERIAL
•
OVERALL DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 316 OVERALL
•
THICKNESS: 0.065 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.281 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY MATERIAL
OVERALL DIAMETER0.625 INCHES NOMINAL IN
MATERIALSTEEL COMP 316 OVERALL
THICKNESS0.065 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
790-011Interchangeable
interchangeable cross-reference
interchangeable
10121525Interchangeable
interchangeable cross-reference
interchangeable
5310PL0724748Interchangeable
interchangeable cross-reference
interchangeable
950508Interchangeable
interchangeable cross-reference
interchangeable
1-480464-0Interchangeable
interchangeable cross-reference
interchangeable
PL22-38963-FIND/ITEM NO-092Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A3210097-3?
A3210097-3 is a WASHER,FLAT.
What parts can replace A3210097-3?
There are 12 known substitutes for A3210097-3: 790-011, 10121525, 5310PL0724748 and 9 more. Substitute compatibility should be verified for your specific system.
Is A3210097-3 still available?
A3210097-3 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