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Plain Washer ISO 7090 — 30

00028WapprovedStandard
Std. ref: ISO 7090ESX desig.: ESX-ISO7090-30-200HV-ST-PL

Plain washer, chamfered at the outside diameter, normal series, product grade A, per ISO 7090, for nominal size 30 mm.

Engineering Attributes

Dimensions

Inner Diameter31 (+0.39/0) mm
Nominal Diameter30 mm
Outer Diameter56 (0/-0.74) mm
Thickness4 (±0.30) mm

Material & Finish

MaterialSteel (ISO 898-1)
Finish / SurfaceNone (as processed)

Mechanical

Unit Weight52.6 ± 6.65 g
Load DirectionCompression (axial push)
Strength Grade Property Class200 HV
Surface Roughness3.2 Ra

Interface

Installation MethodManual (hand tight)

11 attributes

Interchangeability

No interchangeability relationships agreed yet.

2 parts are detected as substitutable for this one from the standard's own interchange rule — listed under Functional alternates below. A detection is computed on every read; a relationship here is one a party has agreed to.

Technical data is provided as-is and must be independently verified before use. Terms

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Functional alternates

2

Same dimensions and material, so they fit the same place. They differ in strength class, coating or tolerance — check the requirement before substituting.

The last 3 columns show the fields that differ from this item (Id tolerance · Inner diameter · Inner diameter tolerance). Values in blue differ; grey values match this item.

CodeItemStandardId tolerancethis item: +0.39/0Inner diameterthis item: 31 mmInner diameter tolerancethis item: +0.39/0
00028WPlain Washer ISO 7090 — 30this itemISO 7090+0.39/031 mm+0.39/0
000202Large Series Plain Washer Grade C ISO 7093-2 — 30also differs in: Locking feature, Od tolerance, Outer diameter, Outer diameter tolerance, Strength grade property class, Surface roughness, Thickness, Thickness toleranceISO 7093-2+1/033 mm+1/0
0001ZPLarge Series Plain Washer ISO 7093-1 — 30also differs in: Locking feature, Od tolerance, Outer diameter, Outer diameter tolerance, Thickness, Thickness toleranceISO 7093-1+0.62/033 mm+0.62/0