GN 442 Threaded plugs Aluminium, resistant up to 200°C


Product description


Threaded plugs GN 442 with the external diameter d1 match the screw-in holes for DIN 3852 pipe bolt connections.

The sealing ring is embedded in a radial recess on the plane side, which makes the sealing ring captive and cannot be squeezed out during tightening. The sealing is also relatively soft, enhancing the sealing effect also on uneven surfaces.


  • plastic coated
    black, RAL 9005, textured finishSWSW
  • blankBLBL
  • temperature resistant up to 200° C

Seal rubber FPM ( VITON®)
Identification by not black finish of the seal.


On request

Threaded plugs with dipstick

Technical drawing

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GN 442 Threaded plugs up to 200 °C, Aluminium sketch

Article options / Table


1without vent drilling
2with vent drilling
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d4l1 ±0,5l2l3st
22G 3/8M 16 x 1,52M 52681558
26G 1/2M 20 x 1,52M 527,58,51658
32G 3/4M 26 x 1,52M 52991768
40G 1-2M 532,5111878

Build & Price

Outside diameter d1
Inch thread d2
Fine thread d2
Air vent drilling


Selected Part (How to order)

Weight: 0,012 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 is RoHS-compliant in application of Annex III., 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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