Metal Drum Caps | McMaster-Carr

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32 Products

Drum Plugs


Style E	Style F	Style G	Style H	Style J

For installation and removal of these plugs, use drum-plug wrenches.

Zinc-Plated Steel


Style E	Style F	Style G

Drum Plug Caps—Drum-plug caps (sold separately) fit over drum plugs to provide dust protection as well as evidence of tampering. They have a breakaway seal and are for one-time use.

Drum Plugs									Drum Plug Caps
Style	Drum Plug Type	Seal Material	Pipe/Thread Size	Gender	Opening Pressure Range, psi	Features		Each	Pkg. Qty.		Pkg.
E	Pressure Relief	Buna-N	3/4 NPSM	Male	0.5 to 4	Vent	8983T55	00000	10	8983T26	00000
E	Standard	Buna-N	3/4 NPSM	Male	—	—	8983T9	0000	10	8983T26	0000
E	Vacuum Relief	Buna-N	3/4 NPSM	Male	0.5 to 4	Vent	8983T53	0000	10	8983T26	0000
F	Standard	Buna-N	2 NPSM	Male	—	—	8983T11	0000	10	8983T29	00000
G	Pressure Relief	Buna-N	2 NPSM	Male	13 to 15	Vent	8983T13	00000	10	8983T28	00000

316 Stainless Steel

Style H

Style J

PTFE Seal—Plugs with PTFE seals stand up to corrosive chemicals such as nitric acid.

Drum Plug Caps—Drum-plug caps (sold separately) fit over drum plugs to provide dust protection as well as evidence of tampering. They have a breakaway seal and are for one-time use.

Drum Plugs							Drum Plug Caps
Style	Drum Plug Type	Seal Material	Pipe/Thread Size	Gender		Each	Pkg. Qty.		Pkg.
H	Standard	Buna-N	3/4 NPT	Male	8983T16	000000	10	8983T27	00000
H	Standard	PTFE	3/4 NPSM	Male	8983T612	00000	10	8983T27	0000
J	Standard	Buna-N	2 NPT	Male	8983T17	00000	10	8983T29	00000
J	Standard	PTFE	2 NPSM	Male	8983T611	00000	10	8983T28	00000

Locking Drum Plug Caps


Male	Female

Padlockable for verifiable security, these iron caps prevent tampering with drum contents while still allowing access for filling. Accept your own padlock to control access in outdoor storage yards and inventory storage areas. Made of iron, they stand up to rough handling and industrial environments better than plastic caps.

	Gender	Dia.	Ht.	Lock Type	Lock Included	For Max. Shackle Dia.		Each
Iron



	2 NPT	Male	3 1/8"	2 1/4"	Padlockable	No	7/16"	4906K21	000000


	2 NPT	Female	3 1/8"	1 3/8"	Padlockable	No	5/16"	4906K23	00000
	3 NPT	Female	4 1/2"	2"	Padlockable	No	1/2"	4906K27	00000
	4 NPT	Female	5 1/4"	2 1/4"	Padlockable	No	1/2"	4906K29	000000

Lockable Breather Vents with Cap

Secure access to vented openings in pipe and tanks—the cap can be locked to prevent tampering. These breather vents allow you to add a filling port to your hydraulic tank while protecting against excess pressure and vacuum. Use them to stop debris from entering your tank. Breather vents mount on top of standard tank openings with included hardware. Padlock is not included.

Flange Mount


Steel with 304 Stainless Steel Screen	Steel with Nylon Plastic Screen

	Max. Pressure	Ht.	For Use With	Cap Material	Screen Material	No. of Bolt Holes	Bolts Included	Removes Particle Size Down To, μm	For Max. Padlock Shackle Dia.		Each
Steel Body



	2 1/8"	Not Rated	5 1/8"	Air, Oil	Steel	304 Stainless Steel	6	Yes	10	3/8"	3853N13	000000


	2 1/8"	Not Rated	5 1/8"	Air, Oil	Steel	304 Stainless Steel	6	Yes	40	3/8"	4473K45	00000
	2 1/8"	Not Rated	6 1/8"	Air, Oil	Steel	Nylon	6	Yes	10	3/8"	3853N12	00000
	2 1/8"	Not Rated	6 1/8"	Air, Oil	Steel	Nylon	6	Yes	40	3/8"	3853N11	00000

Threaded NPT Male

Aluminum Body

	Max. Pressure	Max. Temp., ° F	Ht.	Dia.	For Use With	Cap Material	Screen Material	For Max. Padlock Shackle Dia.		Each
Aluminum Body and Fitting



	2	Not Rated	200	4 1/2"	5 5/8"	Air, Oil, Water	Aluminum	Stainless Steel	3/8"	4906K11	000000

Gaskets for Steel and Stainless Steel Drums

For Drum Cap., gal.	Material		Each
65	EPDM	4392T911	000000
55	EPDM	4392T72	00000
30, 20	EPDM	4115T32	00000
16, 10	EPDM	4115T832	0000

Drum Covers

Galvanized Steel

Steel drum covers have a beaded rim to eliminate sharp edges.

	Dia.	Ga.		Each
For Open-Head Drums



	55	24 1/2"	26	4503T22	000000


	For Closed-Head Drums



			55	23 7/8"	26	4503T21	00000

Drum Locks

For Open-Head Drums

Locks for open-head drums replace the standard _5/8"-11 bolt on the closing ring and lock with a padlock (not included).

Lock Type	For Closing Ring Type	Material	Thread Size	Lock Included	For Max. Shackle Dia.		Each
Padlockable	Nut and Bolt	Brass	5/8"-11	No	5/16"	1900A42	000000

For Closed-Head Drums

Padlockable

Padlockable—Padlockable locks for closed-head drums replace the plugs on _3/4" and 2" drum openings. Made of brass, they're non-sparking and resist corrosion in wet environments. Slide the bar through the hole in each plug and lock with a padlock (not included).

Lock Type	Material	Seal Material	For Pipe Size	Thread Type	Lock Included	For Max. Shackle Dia.		Each
Padlockable	Brass	Buna-N	3/4, 2	NPT	No	5/16"	1900A43	0000000

Food and Beverage Gaskets for Sanitary Stainless Steel Drums

Seal lids onto sanitary drums. These gaskets are FDA compliant for direct contact with food.

For Drum Cap., gal.	Material	Food Industry Std.		Each
55, 40	EPDM	FDA Compliant 21 CFR 177.2600	8020N217	000000
20	EPDM	FDA Compliant 21 CFR 177.2600	8020N216	00000