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4M226A06NH — WASHER,CONVEX

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4M226A06NH: WASHER,CONVEX.

The WASHER,CONVEX is a the manufacturer industrial component. Key specifications include material: STEEL COMP H11 OVERALL, hole_diameter: 0.148 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN, hardness_rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM, outside_diameter: 0.289 INCHES MINIMUM AND 0.299 INCHES MAXIMUM IN, style_designator: CONVEX, surface_treatment: ALUMINUM ALLOY AND CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-367-6767, 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
4M226A06NH
NSN: 5310-01-367-6767
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP H11 OVERALL
hole_diameter0.148 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
outside_diameter0.289 INCHES MINIMUM AND 0.299 INCHES MAXIMUM IN
style_designatorCONVEX
surface_treatmentALUMINUM ALLOY AND CHROMATE OVERALL
material_thickness0.058 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
material_document_and_classificationAMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-C-83488 CL 3,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-367-6767
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4M226A06NH · 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: MIL-C-83488 CL 3,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: CONVEX
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.289 INCHES MINIMUM AND 0.299 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.058 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ALUMINUM ALLOY AND CHROMATE OVERALL
•
MATERIAL: STEEL COMP H11 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-83488 CL 3,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORCONVEX
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.289 INCHES MINIMUM AND 0.299 INCHES MAXIMUM IN
MATERIAL THICKNESS0.058 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
SURFACE TREATMENTALUMINUM ALLOY AND CHROMATE OVERALL
MATERIALSTEEL COMP H11 OVERALL
HOLE DIAMETER0.148 INCHES MINIMUM AND 0.158 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
79684CVP-06Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4M226A06NH?
4M226A06NH is a WASHER,CONVEX.
What parts can replace 4M226A06NH?
There is 1 known substitute for 4M226A06NH: 79684CVP-06. Substitute compatibility should be verified for your specific system.
What is the NSN for 4M226A06NH?
4M226A06NH is cataloged in the U.S. Government catalog under NSN 5310-01-367-6767. 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.