O-Ring

Find the ISO / Dash codes for O-Rings, check dimensions, tolerances and more.

Trelleborg Sealing Solutions · com.tss.in.android.oring

Not rated yet 50K+ downloads v2.6 8.5 MB Android 6.0+ PEGI 3 · Everyone

Download APK 8.5 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v2.6 (16)
Updated: Sep 23, 2026 (15 days ago)
APK size: 8.5 MB
Requires: Android 6.0+ (API 23)
CPU support: Any (no native code)
Category: Productivity (app)
Listed since: Aug 14, 2021 (at least)
Permissions: 7
Website: tss.trelleborg.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

O-Ring is an app by Trelleborg Sealing Solutions in the Productivity category, listed since at least August 2021. It has no native code, so it runs on any Android processor.

It asks for 7 permissions, none of them sensitive. The app can read the advertising ID that ad and analytics services use.

What's new in v2.6

Minor bug fixes.

Description

From the listing uploaded by “appupdater”.

The Trelleborg Sealing Solutions O-Ring App calculates O-Ring dimensions by simply entering installation specifications for your application in metric or inch. In addition, the App recommends O-Ring sizes according to ISO 3601 so you know exactly which part you need. Features at a Glance: - O-Ring Housing: After entering the bore or rod/shaft diameter, you will receive an O-Ring recommendation and O-Ring housing calculation according to the recommendations of ISO 3601 - O-Ring Quick Search: offers the selection of O-Ring nominal sizes according to the following national/international standards: ISO 3601-1 Class B (International), ISO 3601-1 Class A (AS 568, USA), NFT 47-502 (France), JIS B 2401 (Japan) SMS 1586 (Sweden) - Tolerances: calculation of O-Ring tolerances according to ISO 3601-1 Class B and Class A - Switch between metric and inch - Chemical compatibility check: find out which materials are compatible with the media used in your application. - Integration of Trelleborg Sealing Solutions Videos

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 23, 2026.
Certificate issued to “TSS” This is the certificate of the Google Play version.

Store checks and file details

Developer signature verified Sep 23, 2026
Validated against Google Play Sep 23, 2026
Signed byCN=Trelleborg Sealings, OU=TSSBLR, O=TSS, L=BLR, ST=KAR, C=IN
Signing certificate (SHA-1)19:7A:AD:91:8B:50:24:DA:BD:A9:66:49:8E:27:94:EA:53:3F:75:B8
File MD56ea7a43e679dbcc6176e29896b526844
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (7)

O-Ring requests 7 permissions, none of them sensitive.

Advertising ID com.google.android.gms.permission.AD_ID
Full network access android.permission.INTERNET
Prevent the device from sleeping android.permission.WAKE_LOCK
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Landscape screen android.hardware.screen.landscape
Portrait screen android.hardware.screen.portrait
Wi-Fi android.hardware.wifi

O-Ring APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the O-Ring APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 6ea7a43e679dbcc6176e29896b526844.