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7030-80-350-9109 — WASHER,CONVEX

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7030-80-350-9109: WASHER,CONVEX.

The WASHER,CONVEX is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.315 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN, outside_diameter: 0.750 INCHES NOMINAL IN, style_designator: CONVEX, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-102-2717, 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
7030-80-350-9109
NSN: 5310-01-102-2717
FSC: 5310 — Nuts and Washers
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.315 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
outside_diameter0.750 INCHES NOMINAL IN
style_designatorCONVEX
surface_treatmentPASSIVATE OVERALL
material_thickness0.125 INCHES NOMINAL IN
material_document_and_classificationAMS5643,17-4PH ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-102-2717
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7030-80-350-9109 · 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: CONVEX
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5643,17-4PH ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.315 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCONVEX
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643,17-4PH ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.315 INCHES MINIMUM AND 0.320 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7030-80-350-9109?
7030-80-350-9109 is a WASHER,CONVEX.
What is the NSN for 7030-80-350-9109?
7030-80-350-9109 is cataloged in the U.S. Government catalog under NSN 5310-01-102-2717. 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.