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Prevailing Torque Hex Nut ISO 7040 — 24

00021RapprovedStandard
Std. ref: ISO 7040ESX desig.: ESX-ISO7040-24-5-ST-PL

Prevailing torque hexagon regular nut with non-metallic insert, per ISO 7040, thread M24.

Engineering Attributes

Dimensions

Nominal Diameter24 mm
Nut Height20.2 (min) mm
Thread SizeM24×3
Total Height27.1 (0/-2.10) mm
Width Across Corners39.55 mm
Width Across Flats36 (0/-1.00) mm

Material & Finish

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

Mechanical

Unit Weight152 ± 12.7 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.

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

CodeItemStandardNut typethis item: Nyloc (nylon insert, ISO 7040)Height tolerancethis item: 0/-2.1Nut heightthis item: 20.2 mm
00021RPrevailing Torque Hex Nut ISO 7040 — 24this itemISO 7040Nyloc (nylon insert, ISO 7040)0/-2.120.2 mm
00027VNyloc High Nut ISO 7041 — 24also differs in: Height limit, Insert material, Product grade, Strength grade property class, Total height, Total height limit, Total height toleranceISO 7041Prevailing torque, nylon insert HIGH nut (ISO 7041)22.6 mm
00024DPrevailing Torque Hex Nut ISO 7042 — 24also differs in: Insert material, Nut height limit, Nut height tolerance, Thickness limit, Total height, Total height toleranceISO 7042Prevailing torque, all-metal high nut (ISO 7042)0/-1.424 mm