SP Fitting Plugs - USA SUPERLOK - Tube Fittings - Ball Valves - Pipe Fittings

SP Fitting Plugs

Plugs Fitting – SP Fitting Plugs

The Plugs Fitting is a precision-machined pipe plug designed to seal and close unused connections in hydraulic, pneumatic, and industrial systems. Featuring MNPT threads, it ensures a secure, leak-free seal for compressed air, gas, oil, and water applications. Made from high-grade stainless steel, it offers excellent corrosion resistance and high-pressure durability in demanding environments such as chemical processing, HVAC, and oil & gas systems. This strong and reliable plug fitting is easy to install and provides long-term performance.

Browse all Plugs Fittings below to find the right size for your system

SKU: 18135 Category: Tube Fittings

Downloads

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Specifications

Superlok Part Type	Fitting Plug

Available Sizes

SP-2 SP Fitting Plugs

SP 1/8 in. Tube Outside Diameter D Fitting Plug

Inch/Metric	Inch
Tube Outside Diameter D	1/8in
Width Across Flats H	7/16in, mm

Swagelok®	200-P
Parker (Alok)®	2BLP2
Hy-Lok®	CPA-2
Tylok (CBC-Lok)®	2-DF PLUG
Ham-Let (Let-Lok)®	7121L 1/8
Hoke (Gyrolok)®	2P
Dk-Lok®	DP-2
Bi-Lok (Series D)®	DBA-2
SSP (DUlok)®	D2P

SP-4 SP Fitting Plugs

SP 1/4 in. Tube Outside Diameter D Fitting Plug

Inch/Metric	Inch
Tube Outside Diameter D	1/4in
Width Across Flats H	9/16in, mm

Swagelok®	400-P
Parker (Alok)®	4BLP4
Hy-Lok®	CPA-4
Tylok (CBC-Lok)®	4-DF PLUG
Ham-Let (Let-Lok)®	7121L 1/4
Hoke (Gyrolok)®	4P
Dk-Lok®	DP-4
Bi-Lok (Series D)®	DBA-4
SSP (DUlok)®	D4P

SP-6 SP Fitting Plugs

Model: SP-6 (3/8" tube OD plug, 316 stainless steel)
Type: Compression Tube Plug
Material: 316 Stainless Steel (corrosion-resistant alloy)
Design: Hex-head tube plug for secure sealing

Inch/Metric	Inch
Tube Outside Diameter D	3/8in
Width Across Flats H	11/16in, mm

Swagelok®	600-P
Parker (Alok)®	6BLP6
Hy-Lok®	CPA-6
Tylok (CBC-Lok)®	6-DF PLUG
Ham-Let (Let-Lok)®	7121L 3/8
Hoke (Gyrolok)®	6P
Dk-Lok®	DP-6
Bi-Lok (Series D)®	DBA-6
SSP (DUlok)®	D6P

SP-6M SP Fitting Plugs

SP 6 mm Tube Outside Diameter D Fitting Plug

Inch/Metric	Metric
Tube Outside Diameter D	6in
Width Across Flats H	in, 14mm

SP-8 SP Fitting Plugs

SP1/2 in. Tube Outside Diameter D Fitting Plug

Inch/Metric	Inch
Tube Outside Diameter D	1/2in
Width Across Flats H	1/2in, mm

SP-8M SP Fitting Plugs

SP 8 mm Tube Outside Diameter D Fitting Plug

Inch/Metric	Metric
Tube Outside Diameter D	8in
Width Across Flats H	in, 16mm

SP-10 SP Fitting Plugs

SP 5/8 in. Tube Outside Diameter D Fitting Plug

Inch/Metric	Inch
Tube Outside Diameter D	5/8in
Width Across Flats H	5/8in, mm

SP-10M SP Fitting Plugs

SP 10 mm Tube Outside Diameter D Fitting Plug

Inch/Metric	Metric
Tube Outside Diameter D	10in
Width Across Flats H	in, 19mm

SP-12 SP Fitting Plugs

SP 3/4 in. Tube Outside Diameter D Fitting Plug

Inch/Metric	Inch
Tube Outside Diameter D	3/4in
Width Across Flats H	3/4in, mm

SP-12M SP Fitting Plugs

SP 12 mm Tube Outside Diameter D Fitting Plug

Inch/Metric	Metric
Tube Outside Diameter D	12in
Width Across Flats H	in, 22mm

SP-14 SP Fitting Plugs

SP 7/8 in. Tube Outside Diameter D Fitting Plug

Inch/Metric	Inch
Tube Outside Diameter D	7/8in
Width Across Flats H	7/8in, mm

SP-16 SP Fitting Plugs

SP 1 in. Tube Outside Diameter D Fitting Plug

Inch/Metric	Inch
Tube Outside Diameter D	1in
Width Across Flats H	1in, mm

SP-18M SP Fitting Plugs

SP 18 mm Tube Outside Diameter D Fitting Plug