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4818-16-02 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4818-16-02: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN, overall_height: 0.145 INCHES MINIMUM IN, outside_diameter: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN, style_designator: DOME EXTERNAL AND INTERNAL TEETH, features_provided: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-587-2689, 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
4818-16-02
NSN: 5310-00-587-2689
FSC: 5310 — Nuts and Washers
CAGE: 30323 — ILLINOIS TOOL WORKS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
overall_height0.145 INCHES MINIMUM IN
outside_diameter0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
style_designatorDOME EXTERNAL AND INTERNAL TEETH
features_providedCASEHARDENED
material_thickness0.062 INCHES NOMINAL IN
NSN5310-00-587-2689
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4818-16-02 · 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: DOME EXTERNAL AND INTERNAL TEETH
•
OUTSIDE DIAMETER: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
•
FEATURES PROVIDED: CASEHARDENED
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.145 INCHES MINIMUM IN
STYLE DESIGNATORDOME EXTERNAL AND INTERNAL TEETH
OUTSIDE DIAMETER0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
FEATURES PROVIDEDCASEHARDENED
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
5310005872689Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4818-16-02?
4818-16-02 is a WASHER,LOCK.
What parts can replace 4818-16-02?
There is 1 known substitute for 4818-16-02: 5310005872689. Substitute compatibility should be verified for your specific system.
What is the NSN for 4818-16-02?
4818-16-02 is cataloged in the U.S. Government catalog under NSN 5310-00-587-2689. 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.