GN 546.1 Oil level sight glasses crystal-clear plastic, with marking ring


ELESA original design
code: HCFE

Product description


Oil level sight glasses GN 546.1 are mainly used as oil circulation indicators.

They are practically indestructible, even if high torque is applied there is no danger of breakage.

Assembly instruction:
For mounting on walls of less than 4 mm thickness please use a mounting nut GN 543.1.


crystal-clear Polyamid (PA 6-T)
  • high mechanical strength
  • temperature resistant up to 100 °C
  • solvent resistant,
    but not suitable for alcohol

Red marking ring
Pad printing

Rubber NBR (Perbunan®)



Mounting nuts GN 543.1

Technical drawing

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GN 546.1 Oil level sight glasses with marking ring sketch

Article options / Table

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d1d2d3d4l1l2s recommed
tightening torque
in Nm
19G 1/226710,516224 ... 6
25G 3/431,51210,519,5276 ... 8
31G 142151124368 ... 10

Build & Price

Window glass d1
Thread d2

Selected Part (How to order)

Weight: 0,005 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone+49 7723 6507 - 0
RoHS: Yes
This article conforms to RoHS, which means it complies with EU Directive 2011/65/EU for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Please note our quantity discounts.
With a total value (net) per order:
from 150 Euro -> 10 % discount
from 250 Euro -> 20 % discount
from 350 Euro -> 30 % discount
All prices in accordance with our price list No. 51, valid from 1 February 2018, plus VAT only valid for Germany.

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