THREAD	PART NO.		DESCRIPTION	PART DIMENSIONS				CALCULATED FLOW VOLUME LPM @ 13.5 psi	CAD
Type/Size	Black	Gray		A Wrenching Flats		B Overall Length
				in.	mm.	in.	mm.
NPT
NPT 1/4	3544VB	3544V	LTTVP NPT 1/4	.63	16,0	.66	16,8	0.341
NPT 3/8	3545VB	3545V	LTTVP NPT 3/8	.83	21,0	.69	17,5	0.341
NPT 1/2	3546VB	3546V	LTTVP NPT 1/2	.98	24,9	.81	20,6	0.668
NPT 3/4	3547VB*	3547V*	LTTVP NPT 3/4	1.29	32,8	.86	21,8	0.668
PG - PG Thread Specifications
Pg 7	3574VB	3574V	LTTVP Pg 7	.63	16,0	.53	13,5	0.341
Pg 9	3575VB	3575V	LTTVP Pg 9	.83	21,0			0.341
Pg 13.5	3576VB	3576V	LTTVP Pg 13.5	.98	24,9	.62	15,8	0.668
Pg 21	3401VB	3401V	LTTVP Pg 21	1.29	32,8	.76	19,3	0.668
Metric
M12	3582VB	3582V	LTTVP M12	.63	16,0	.53	13,5	0.341
M16	3583VB	3583V	LTTVP M16	.83	21,0			0.341
M20	3584VB	3584V	LTTVP M20	.98	24,9	.62	15,8	0.668

Standard color Black. Consult Heyco for other colors.
* IP 65 rated only.

• Integral sealing ring ensures a superior seal at mounting hole location,
  every time; IP 65, 67 and 68 Rated.
• Allow the passage of air for pressure equalization, yet prevent moisture intrusion, remain liquid tight.
• UL Rated for Type NEMA 3R, 4 and 4X applications.
• Filter membrane is both hydrophobic and oleophobic and prevents moisture and particulate contamination in electronic enclosures.
• Pressure compensating seal prevents buildup of pressure inside of electronic enclosures due to environmental temperature cycling.
• Quick and easy installation into Threaded (LTTVP) and Clearance (LTSV) Holes.
• Membrane seal is ultrasonically welded to nylon body.
• Lower cost option over metal or steel plugs.
• Approximate Head Thickness: .21" (5,3 mm). Thickness may vary.
• Hex shaped head for wrench installation (LTTVP only).
• Electrically non-conductive Nylon 6/6.
• Quick and easy Snap-in installation into Clearance Holes.
• All sizes and types feature 6 (six) vent holes.
• Snap-In plugs for panel and housing applications.
• Lower cost option over brass or steel plugs.
• Snap into a range of panel thicknesses up to .125" (3,2 mm) with no tools (LTSV only).

QuickSpecs

Material		Nylon 6/6 bodies with an Acrylic Copolymer Filter
Certifications		Recognized under the Component Program of Underwriters' Laboratories, File E330194 to both Canadian and U.S. Requirements
Flammability Rating		94V-2
Temperature Range		-40°F (-40°C) to 221°F (105°C)
IP Rating		IP 65/67/68