O-ring 12.42x1.78 - ACM - 70 Shore A - Black - ORS49551

Size12.42 mm x 1.78 mm
Hardness70 Shore A
Product number49551
Stock sentiment_satisfied_alt15957
Minimum order of 231
All specifications
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€ 0,16
per piece EX. VAT

This O-ring has a minimum order Qty of 231pcs

1+€ 0,1636
250+€ 0,1446
500+€ 0,1322
1000+€ 0,1231
2500+€ 0,1116
5000+€ 0,1041
10000+€ 0,0975


Delivery time
In stockYes, > 40 Pcs
Product number49551
CategoryACM O-Rings
Chemical NamePolyAcrylate Rubber / alkyl acrylate copolymer
Omschrijving-2O-ring ACM 12.42x1.78
Product nameO-ring 12.42x1.78 ACM
Size ttwelve comma forty two by one comma seventy eight
Trade namesHyTemp
Alternative Size
AS568 Size ChartAS 014
CS (Cross Section)1.78 mm
DIN 3771 Size Chart12.42x1.78
ID (inner diameter)12.43 mm
SMS 1586 Size chart12.42 X 1.78
Core Spec's
Hardness70 Shore A
Temperature Max150 ºC
Temperature Min-20 ºC
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This ACM O-Ring is mm and in the color Black. The Hardness of this is 70 Shore A.The alternative names of the compound are and they are mostly produced by HyTemp. The O-ring is commonly used in and has an operating temperature range from -20 ºC to 150 ºC. O-rings are indicated as and have a DIN 3771 Size of 12.42x1.78. This item is equal to and has an Approval. The chemical name of this Oring is PolyAcrylate Rubber / alkyl acrylate copolymer.


All ACM O-rings available here 

What is ACM?

The ACM (acrylic rubber) O ring offers good resistance to mineral oils at high temperatures. The O ring ACM is generally used the most in the automotive industry. The water compatibility and cold flexibility of the O-ring ACM are significantly worse than with NBR.

The advantage of ACM Oring:

  • Aging
  • Weather conditions
  • Ozone
  • Engine, transmission and AFT oils based on mineral oil
  • Temperature from -30 °C to +160 °C

The disadvantage of O-ring ACM:

  • Hot water, water vapor
  • Acids and alkalis
  • Brake fluids based on glycol
  • Aromatic and chlorinated hydrocarbons


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