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68A550615-2003 — WASHER,CONVEX

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

68A550615-2003: WASHER,CONVEX.

The WASHER,CONVEX is a the manufacturer industrial component. Key specifications include hole_diameter: 0.4375 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES BOTTOM, outside_diameter: 0.782 INCHES NOMINAL IN, style_designator: CONVEX, material_thickness: 0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN, material_document_and_classification: AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-296-3266, 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
68A550615-2003
NSN: 5310-00-296-3266
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
hole_diameter0.4375 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES BOTTOM
outside_diameter0.782 INCHES NOMINAL IN
style_designatorCONVEX
material_thickness0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
material_document_and_classificationAMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-296-3266
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 68A550615-2003 · 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 FINISH: 63.0 MICROINCHES BOTTOM
•
STYLE DESIGNATOR: CONVEX
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.782 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.4375 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES BOTTOM
STYLE DESIGNATORCONVEX
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.782 INCHES NOMINAL IN
MATERIAL THICKNESS0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
HOLE DIAMETER0.4375 INCHES MINIMUM AND 0.4380 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

No substitute or cross-reference records for this part.

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 68A550615-2003?
68A550615-2003 is a WASHER,CONVEX.
What is the NSN for 68A550615-2003?
68A550615-2003 is cataloged in the U.S. Government catalog under NSN 5310-00-296-3266. 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.