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12Z3010-498 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12Z3010-498: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.383 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN, outside_diameter: 0.965 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN, style_designator: FLAT EXTERNAL AND INTERNAL TEETH, surface_treatment: ZINC OVERALL, material_thickness: 0.040 INCHES NOMINAL IN, surface_treatment_document_and_classification: QQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-550-3556, 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
12Z3010-498
NSN: 5310-00-550-3556
FSC: 5310 — Nuts and Washers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
hole_diameter0.383 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
outside_diameter0.965 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN
style_designatorFLAT EXTERNAL AND INTERNAL TEETH
surface_treatmentZINC OVERALL
material_thickness0.040 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-550-3556
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12Z3010-498 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: FLAT EXTERNAL AND INTERNAL TEETH
•
OUTSIDE DIAMETER: 0.965 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OVERALL
•
HOLE DIAMETER: 0.383 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORFLAT EXTERNAL AND INTERNAL TEETH
OUTSIDE DIAMETER0.965 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
HOLE DIAMETER0.383 INCHES MINIMUM AND 0.398 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
4020-26-00Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12Z3010-498?
12Z3010-498 is a WASHER,LOCK.
What parts can replace 12Z3010-498?
There is 1 known substitute for 12Z3010-498: 4020-26-00. Substitute compatibility should be verified for your specific system.
What is the NSN for 12Z3010-498?
12Z3010-498 is cataloged in the U.S. Government catalog under NSN 5310-00-550-3556. This indicates validated use in U.S. government and defense supply chains.
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