Is the Stainless Steel Hex Plug with Male Thread 121H compatible with NPT, BSP, BSPT, UNF, and UN standards and suitable for chemical and petrochemical applications?

Yes. The Stainless Steel Hex Plug with Male Thread 121H is available in NPT, BSP, BSPT, UNF, and UN standards and is manufactured from AISI 316 stainless steel for excellent resistance to corrosion and aggressive chemicals. It is suitable for chemical and petrochemical applications and other demanding sectors (pharmaceutical, energy, nuclear, process engineering). Versions with UNF and UN threads include an FKM 90 O-ring for enhanced tightness under high pressure and temperature fluctuations, ensuring reliable performance, safety, and reduced downtime.

Does the Stainless Steel Hex Plug with Male Thread 121H include an FKM 90 O-ring for UNF and UN thread versions to ensure pressure-tight performance under temperature fluctuations?

Yes. The Stainless Steel Hex Plug with Male Thread 121H includes a durable FKM 90 O-ring seal for the UNF and UN thread versions, ensuring enhanced pressure-tight performance and reliable sealing under temperature fluctuations.

Plug hexagonal with thread external, steel stainless 121H

All products, Precision threaded fasteners/

Additional information

Material	SS – stainless steel
Standard length [m]	10

Plug hexagonal with thread external NPT, BSP, BSPT, UNF and UN, for connector threaded intended mainly for industry chemical, petrochemical, pharmaceutical, power generation, nuclear power plants and process engineering. plug with thread UNF and UN fitted is in a gasket O-ring. Material: steel AISI 316. gasket: O-ring FKM 90.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HM-P121H-01-SS	Plug 1/16" NPT male (hexagon), SS	-	759	In stock	Enquiry
HM-P121H-02-SS	Plug 1/8" NPT male (hexagon), SS	-	690	In stock	Enquiry
HM-P121H-04-SS	Plug 1/4" NPT male (hexagon), SS	-	552	In stock	Enquiry
HM-P121H-06-SS	Plug 3/8" NPT male (hexagon), SS	-	538	In stock	Enquiry
HM-P121H-08-SS	Plug 1/2" NPT male (hexagon), SS	-	531	In stock	Enquiry
HM-P121H-12-SS	Plug 3/4" NPT male (hexagon), SS	-	503	In stock	Enquiry
HM-P121H-16-SS	Plug 1" NPT male (hexagon), SS	-	366	In stock	Enquiry
HM-P121HG-02-SS	Plug 1/8" BSP male (hexagon), SS	-	690	In stock	Enquiry
HM-P121HG-04-SS	Plug 1/4" BSP male (hexagon), SS	-	552	In stock	Enquiry
HM-P121HG-08-SS	Plug 1/2" BSP male (hexagon), SS	-	531	In stock	Enquiry
HM-P121HG-16-SS	Plug 1" BSP male (hexagon), SS	-	366	In stock	Enquiry
HM-P121HOB-05-SS	Plug 5/16"-24 UN male (hexagon), O-ring (Boss), SS	-	537	In stock	Enquiry
HM-P121HOB-07-SS	Plug 7/16"-20 UN male (hexagon), O-ring (Boss), SS	-	531	In stock	Enquiry
HM-P121HOB-09-SS	Plug 9/16"-18 UN male (hexagon), O-ring (Boss), SS	-	503	In stock	Enquiry
HM-P121HOB-12-SS	Plug 3/4"-16 UN male (hexagon), O-ring (Boss), SS	-	503	In stock	Enquiry
HM-P121HOB-14-SS	Plug 7/8"-14 UN male (hexagon), O-ring (Boss), SS	-	365	In stock	Enquiry
HM-P121HOB-17-SS	Plug 1.1/16"-12 UN male (hexagon), O-ring (Boss), SS	-	365	In stock	Enquiry
HM-P121HOB-21-SS	Plug 1.5/16"-12 UN male (hexagon), O-ring (Boss), SS	-	269	In stock	Enquiry
HM-P121HR-02-SS	Plug 1/8" BSPT male (hexagon), SS	-	690	In stock	Enquiry
HM-P121HR-04-SS	Plug 1/4" BSPT male (hexagon), SS	-	552	In stock	Enquiry
HM-P121HR-06-SS	Plug 3/8" BSPT male (hexagon), SS	-	538	In stock	Enquiry
HM-P121HR-08-SS	Plug 1/2" BSPT male (hexagon), SS	-	531	In stock	Enquiry
HM-P121HR-12-SS	Plug 3/4" BSPT male (hexagon), SS	-	503	In stock	Enquiry
HM-P121HR-16-SS	Plug 1" BSPT male (hexagon), SS	-	366	In stock	Enquiry

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Plug hexagonal with thread external NPT, BSP, BSPT, UNF and UN, for connector threaded intended mainly for industry chemical, petrochemical, pharmaceutical, power generation, nuclear power plants and process engineering. plug with thread UNF and UN fitted is in a gasket O-ring. Material: steel AISI 316. gasket: O-ring FKM 90.