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S107216 — WASHER,KEYWAY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S107216: WASHER,KEYWAY.

The WASHER,KEYWAY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 2.500 INCHES NOMINAL IN, outside_diameter: 3.938 INCHES NOMINAL IN, special_features: FOUR INTERNAL KEYWAYS WITH ROUND BOTTOM SURFACES FOUR PLACES, material_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-066-3929, 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
S107216
NSN: 5310-01-066-3929
FSC: 5310 — Nuts and Washers
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter2.500 INCHES NOMINAL IN
outside_diameter3.938 INCHES NOMINAL IN
special_featuresFOUR INTERNAL KEYWAYS WITH ROUND BOTTOM SURFACES FOUR PLACES
material_thickness0.125 INCHES NOMINAL IN
NSN5310-01-066-3929
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S107216 · 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
•
OUTSIDE DIAMETER: 3.938 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 2.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER3.938 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
SPECIAL FEATURESFOUR INTERNAL KEYWAYS WITH ROUND BOTTOM SURFACES FOUR PLACES
MATERIALSTEEL OVERALL
HOLE DIAMETER2.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
51732Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
72594Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S107216?
S107216 is a WASHER,KEYWAY.
What parts can replace S107216?
There are 2 known substitutes for S107216: 51732, 72594. Substitute compatibility should be verified for your specific system.
What is the NSN for S107216?
S107216 is cataloged in the U.S. Government catalog under NSN 5310-01-066-3929. 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.