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Q8WD ✓ 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: 0.109 INCHES NOMINAL IN, hole_diameter: 0.641 INCHES NOMINAL IN, overall_diameter: 1.375 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 5310-00-270-2072, 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
Q8WD
NSN: 5310-00-270-2072
FSC: 5310
CAGE: 61465 — GARWOOD/FELLER INC GARWOOD WINCH DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.109 INCHES NOMINAL IN
hole_diameter0.641 INCHES NOMINAL IN
overall_diameter1.375 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-270-2072
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: Q8WD · 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
•
THICKNESS: 0.109 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
OVERALL DIAMETER: 1.375 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.641 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.109 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OVERALL DIAMETER1.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.641 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
10650Interchangeable
interchangeable cross-reference
interchangeable
F-53Interchangeable
interchangeable cross-reference
interchangeable
YB79Interchangeable
interchangeable cross-reference
interchangeable
903-YB79Interchangeable
interchangeable cross-reference
interchangeable
11154925Interchangeable
interchangeable cross-reference
interchangeable
T-10650Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Q8WD?
Q8WD is a WASHER,FLAT.
What parts can replace Q8WD?
There are 14 known substitutes for Q8WD: 10650, F-53, YB79 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Q8WD?
Q8WD is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-270-2072. 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