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PartsTable / COMPONENT / 9090254
9090254 ✓ 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,CONCAVE is a the manufacturer industrial component. Key specifications include hole_diameter: 0.781 INCHES NOMINAL IN, outside_diameter: 2.370 INCHES NOMINAL IN, special_features: STEEL RETAINING WASHER FOR SHOCK ABSORBER MOUNT, style_designator: CONCAVE, material_thickness: 0.300 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-585-5961, 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
9090254
NSN: 5310-00-585-5961
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
hole_diameter0.781 INCHES NOMINAL IN
outside_diameter2.370 INCHES NOMINAL IN
special_featuresSTEEL RETAINING WASHER FOR SHOCK ABSORBER MOUNT
style_designatorCONCAVE
material_thickness0.300 INCHES NOMINAL IN
NSN5310-00-585-5961
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9090254 · 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
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL THICKNESS: 0.300 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.370 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.781 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCONCAVE
MATERIAL THICKNESS0.300 INCHES NOMINAL IN
OUTSIDE DIAMETER2.370 INCHES NOMINAL IN
SPECIAL FEATURESSTEEL RETAINING WASHER FOR SHOCK ABSORBER MOUNT
HOLE DIAMETER0.781 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
401750Interchangeable
interchangeable cross-reference
interchangeable
80-0200Interchangeable
interchangeable cross-reference
interchangeable
A-A-52025Interchangeable
interchangeable cross-reference
interchangeable
GG-L-260Interchangeable
interchangeable cross-reference
interchangeable
401.750Interchangeable
interchangeable cross-reference
interchangeable
264-0602-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9090254?
9090254 is a WASHER,CONCAVE.
What parts can replace 9090254?
There are 9 known substitutes for 9090254: 401750, 80-0200, A-A-52025 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9090254?
9090254 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-585-5961. 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