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Prevailing Torque Hex Nut ISO 7040 — 30

00021SapprovedStandard
Std. ref: ISO 7040ESX desig.: ESX-ISO7040-30-5-ST-PL

Prevailing torque hexagon regular nut with non-metallic insert, per ISO 7040, thread M30.

Engineering Attributes

Dimensions

Nominal Diameter30 mm
Nut Height24.3 (min) mm
Thread SizeM30×3.5
Total Height32.6 (0/-2.50) mm
Width Across Corners50.85 mm
Width Across Flats46 (0/-1.00) mm

Material & Finish

MaterialSteel (ISO 898-1)
Finish / SurfaceNone (as processed)
Insert MaterialNon-metallic (polyamide typical)

Mechanical

Unit Weight304 ± 19.6 g
Load DirectionTensile (axial pull)
Strength Grade Property Class5

Interface

Installation MethodWrench / spanner
Locking FeatureYes
Thread TypeMetric coarse (M)

15 attributes

Interchangeability

No interchangeability relationships agreed yet.

1 part is 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

1

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 (Nut type · Height limit · Height tolerance). Values in blue differ; grey values match this item.

CodeItemStandardNut typethis item: Nyloc (nylon insert, ISO 7040)Height limitthis item: Height tolerancethis item: 0/-2.5
00021SPrevailing Torque Hex Nut ISO 7040 — 30this itemISO 7040Nyloc (nylon insert, ISO 7040)0/-2.5
00027WNyloc High Nut ISO 7041 — 30also differs in: Insert material, Nut height, Product grade, Strength grade property class, Total height, Total height limit, Total height toleranceISO 7041Prevailing torque, nylon insert HIGH nut (ISO 7041)max