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PartsTable / COMPONENT / W11263-2
W11263-2 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN, outside_diameter: 0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN, style_designator: FLAT EXTERNAL AND INTERNAL TEETH, surface_treatment: CADMIUM OVERALL, material_thickness: 0.025 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-261-6192, 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
W11263-2
NSN: 5310-00-261-6192
FSC: 5310
CAGE: 28835 — HOBART BROS CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
outside_diameter0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
style_designatorFLAT EXTERNAL AND INTERNAL TEETH
surface_treatmentCADMIUM OVERALL
material_thickness0.025 INCHES NOMINAL IN
NSN5310-00-261-6192
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: W11263-2 · 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
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: FLAT EXTERNAL AND INTERNAL TEETH
•
OUTSIDE DIAMETER: 0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL THICKNESS: 0.025 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
STYLE DESIGNATORFLAT EXTERNAL AND INTERNAL TEETH
OUTSIDE DIAMETER0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIAL THICKNESS0.025 INCHES NOMINAL IN
HOLE DIAMETER0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
4008-14-00Interchangeable
interchangeable cross-reference
interchangeable
10436Interchangeable
interchangeable cross-reference
interchangeable
171535BInterchangeable
interchangeable cross-reference
interchangeable
4397PInterchangeable
interchangeable cross-reference
interchangeable
5325PL0811287Interchangeable
interchangeable cross-reference
interchangeable
5196199Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W11263-2?
W11263-2 is a WASHER,LOCK.
What parts can replace W11263-2?
There are 22 known substitutes for W11263-2: 4008-14-00, 10436, 171535B and 19 more. Substitute compatibility should be verified for your specific system.
Is W11263-2 still available?
W11263-2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026