Festo Polybutylene Terephthalate Blanking Plug

RS Stock No.:: 121-6155
Distrelec Article No.:: 304-29-510
Mfr. Part No.:: QSC-6H
Manufacturer:: Festo

Festo Polybutylene Terephthalate Blanking Plug

Bulk discount available

Subtotal (1 bag of 10 units)*

€15.00

(exc. VAT)

€18.45

(inc. VAT)

In Stock

Plus 13 unit(s) shipping from 04 May 2026
Plus 237 unit(s) shipping from 04 May 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Bag(s)	Per Bag	Per unit*
1 - 4	€15.00	€1.50
5 - 9	€14.23	€1.423
10 - 24	€13.80	€1.38
25 +	€13.49	€1.349

*price indicative

RS Stock No.:: 121-6155
Distrelec Article No.:: 304-29-510
Mfr. Part No.:: QSC-6H
Manufacturer:: Festo

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Festo
	Product Type	Blanking Plug
	Series	QSC
	Connection Type	Y Connector, Sleeve, Multiple Distributor, Push-in, Female Thread with External Hex, Push-In Connector, Swivel Connection, Male Thread with External Hex, L-Fitting, T-Fitting, X-Connector, Reducer, Self-Sealing, Cap, Bulkhead Connector, Female Thread with Internal Hex, Male Thread with Internal Hex, Rotary
	Material	Polybutylene Terephthalate
	Standards/Approvals	Germanischer Lloyd (QS,QSM,QS-V0), DIN 73378 (NPQM/PAN-MF), ISO 228-1 (G thread), DIN 5510-2 (PUN-V0), ISO 8573-1:2010 (7:-:-),RoHS,UL (QS-V0), ISO 7/1 (R thread), EN 10226-1
	Overall Length	33mm

	Select all
	Brand Festo
	Product Type Blanking Plug
	Series QSC
	Connection Type Y Connector, Sleeve, Multiple Distributor, Push-in, Female Thread with External Hex, Push-In Connector, Swivel Connection, Male Thread with External Hex, L-Fitting, T-Fitting, X-Connector, Reducer, Self-Sealing, Cap, Bulkhead Connector, Female Thread with Internal Hex, Male Thread with Internal Hex, Rotary
	Material Polybutylene Terephthalate
	Standards/Approvals Germanischer Lloyd (QS,QSM,QS-V0), DIN 73378 (NPQM/PAN-MF), ISO 228-1 (G thread), DIN 5510-2 (PUN-V0), ISO 8573-1:2010 (7:-:-),RoHS,UL (QS-V0), ISO 7/1 (R thread), EN 10226-1
	Overall Length 33mm

Festo Blanking Plug, 6 Bar Maximum Operating Pressure, 33mm Overall Length - QSC-6H, Numeric Part Number: 153268

This blanking plug provides a secure seal for pneumatic lines and ports in industrial automation settings. Manufactured from a Durable polybutylene terephthalate material, it is designed for use where controlled isolation of Air circuits is required and for environments demanding a compact, robust closure. The component suits installations that need versatile connection options and resistance to elevated temperatures.

Features & Benefits

• Rated to 6 bar for dependable pressure containment
• Operates from -10°C to +80°C for temperature resilience
• Self-sealing design prevents leakage during line isolation
• Compatible with multiple connector types for installation flexibility
• Constructed from polybutylene terephthalate for chemical resistance

Applications

• Suitable for isolating pneumatic test rigs in automation labs
• Ideal for temporary port sealing during assembly of control panels
• Used with rotary and swivel connectors in machine retrofits
• Can be used for sealing threaded ports to prevent contamination
• Used for protecting unused distributors on compressed-air networks

Which thread standards are compatible with this plug?

It accepts common G and R thread forms compliant with ISO and DIN thread specifications, enabling fitment to both parallel and taper-threaded ports.

How does the product behave under repeated connect/disconnect cycles?

The material and sealing mechanism are chosen to withstand frequent engagement without Rapid wear, maintaining sealing performance over many cycles.

Can it be integrated into bulkhead installations?

Yes, the design supports bulkhead mounting and provides a reliable closure where panels or enclosures require a secure port cap.

Is the item suitable for use in applications with strict particulate requirements?

Its sealing capability reduces ingress of dust and contaminants, making it appropriate for environments where maintaining clean pneumatic lines is necessary.