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PartsTable / COMPONENT / 818265
818265 ✓ 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: LEATHER OVERALL, thickness: 0.113 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN, hole_diameter: 0.562 INCHES NOMINAL IN, overall_diameter: 1.312 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 5310-00-291-4639, 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
818265
NSN: 5310-00-291-4639
FSC: 5310
CAGE: 16764 — GENERAL MOTORS CORP DELCO REMY DIV (USA)
SPECIFICATIONS
materialLEATHER OVERALL
thickness0.113 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
hole_diameter0.562 INCHES NOMINAL IN
overall_diameter1.312 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-291-4639
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 818265 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: LEATHER OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.562 INCHES NOMINAL IN
•
OVERALL DIAMETER: 1.312 INCHES NOMINAL IN
•
THICKNESS: 0.113 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALLEATHER OVERALL
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.562 INCHES NOMINAL IN
OVERALL DIAMETER1.312 INCHES NOMINAL IN
THICKNESS0.113 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
47378Interchangeable
interchangeable cross-reference
interchangeable
2945U6-001-1Interchangeable
interchangeable cross-reference
interchangeable
AGC2Interchangeable
interchangeable cross-reference
interchangeable
ASC1494375Interchangeable
interchangeable cross-reference
interchangeable
F52001856Interchangeable
interchangeable cross-reference
interchangeable
EP-12028Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 818265?
818265 is a WASHER,FLAT.
What parts can replace 818265?
There are 6 known substitutes for 818265: 47378, 2945U6-001-1, AGC2 and 3 more. Substitute compatibility should be verified for your specific system.
Is 818265 still available?
818265 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