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9-904-103525 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

9-904-103525: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.120 INCHES NOMINAL IN, outside_diameter: 2.250 INCHES NOMINAL IN, style_designator: FLAT INTERNAL TEETH, material_thickness: 0.224 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-099-4980, 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
9-904-103525
NSN: 5310-01-099-4980
FSC: 5310 — Nuts and Washers
CAGE: 12361 — GROVE U.S. LLC DBA GROVE US LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.120 INCHES NOMINAL IN
outside_diameter2.250 INCHES NOMINAL IN
style_designatorFLAT INTERNAL TEETH
material_thickness0.224 INCHES NOMINAL IN
NSN5310-01-099-4980
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9-904-103525 · 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: FLAT INTERNAL TEETH
•
OUTSIDE DIAMETER: 2.250 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.224 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 1.120 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT INTERNAL TEETH
OUTSIDE DIAMETER2.250 INCHES NOMINAL IN
MATERIAL THICKNESS0.224 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER1.120 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
235591Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9-904-103525?
9-904-103525 is a WASHER,LOCK.
What parts can replace 9-904-103525?
There is 1 known substitute for 9-904-103525: 235591. Substitute compatibility should be verified for your specific system.
What is the NSN for 9-904-103525?
9-904-103525 is cataloged in the U.S. Government catalog under NSN 5310-01-099-4980. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.