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PartsTable / COMPONENT / 8613344
8613344 ✓ 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 width: 1.531 INCHES NOMINAL IN, material: STEEL COMP 1010 OVERALL, thickness: 0.020 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN, hole_diameter: 0.781 INCHES NOMINAL IN, overall_diameter: 1.750 INCHES NOMINAL IN, peripheral_shape_style: DEE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-708-4015, 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
8613344
NSN: 5310-00-708-4015
FSC: 5310
CAGE: 23862 — MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02 (USA)
SPECIFICATIONS
width1.531 INCHES NOMINAL IN
materialSTEEL COMP 1010 OVERALL
thickness0.020 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
hole_diameter0.781 INCHES NOMINAL IN
overall_diameter1.750 INCHES NOMINAL IN
peripheral_shape_styleDEE
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-708-4015
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8613344 · 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 DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
PERIPHERAL SHAPE STYLE: DEE
•
MATERIAL: STEEL COMP 1010 OVERALL
•
OVERALL DIAMETER: 1.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.781 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
WIDTH: 1.531 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL SHAPE STYLEDEE
MATERIALSTEEL COMP 1010 OVERALL
OVERALL DIAMETER1.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.781 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
WIDTH1.531 INCHES NOMINAL IN
THICKNESS0.020 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
10-864945Interchangeable
interchangeable cross-reference
interchangeable
6-112909Interchangeable
interchangeable cross-reference
interchangeable
00654Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8613344?
8613344 is a WASHER,FLAT.
What parts can replace 8613344?
There are 3 known substitutes for 8613344: 10-864945, 6-112909, 00654. Substitute compatibility should be verified for your specific system.
What is the NSN for 8613344?
8613344 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-708-4015. 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