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PartsTable / COMPONENT / 9090763-9
9090763-9 ✓ 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 1213 OVERALL, thickness: 0.136 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN, hole_diameter: 0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN, overall_diameter: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM 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 5310-00-243-4749, 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
9090763-9
NSN: 5310-00-243-4749
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 1213 OVERALL
thickness0.136 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
hole_diameter0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
overall_diameter0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-243-4749
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9090763-9 · 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: 0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1213 OVERALL
•
OVERALL DIAMETER: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.136 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1213 OVERALL
OVERALL DIAMETER0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.136 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
FF-W-92 TY A GR 1 CL AInterchangeable
interchangeable cross-reference
interchangeable
446284Interchangeable
interchangeable cross-reference
interchangeable
28912Interchangeable
interchangeable cross-reference
interchangeable
11-684TYPEFInterchangeable
interchangeable cross-reference
interchangeable
GGI488Interchangeable
interchangeable cross-reference
interchangeable
ANSI-B18.22.1 TYAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9090763-9?
9090763-9 is a WASHER,FLAT.
What parts can replace 9090763-9?
There are 9 known substitutes for 9090763-9: FF-W-92 TY A GR 1 CL A, 446284, 28912 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9090763-9?
9090763-9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-243-4749. 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