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PartsTable / COMPONENT / A2498A
A2498A ✓ 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, hole_diameter: 0.750 INCHES NOMINAL IN, overall_diameter: 1.297 INCHES NOMINAL IN, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-699-1269, 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
A2498A
NSN: 5310-00-699-1269
FSC: 5310
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.750 INCHES NOMINAL IN
overall_diameter1.297 INCHES NOMINAL IN
center_hole_shape_styleROUND
NSN5310-00-699-1269
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A2498A · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 1.297 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER1.297 INCHES NOMINAL IN
HOLE DIAMETER0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
995-3A2200Interchangeable
interchangeable cross-reference
interchangeable
313-001-053Interchangeable
interchangeable cross-reference
interchangeable
3X2250Interchangeable
interchangeable cross-reference
interchangeable
MS3108R14S7PXInterchangeable
interchangeable cross-reference
interchangeable
MIL-C-5015Interchangeable
interchangeable cross-reference
interchangeable
620303Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A2498A?
A2498A is a WASHER,FLAT.
What parts can replace A2498A?
There are 27 known substitutes for A2498A: 995-3A2200, 313-001-053, 3X2250 and 24 more. Substitute compatibility should be verified for your specific system.
Is A2498A still available?
A2498A 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