Stay Connected with Heyco Venting Solutions Heyco Threaded Vent Plugs Open vent holes only THREAD PART NO. DESCRIPTION PART DIMENSIONS Permit the passage of air for AB ventilation and heat dissipation. Type/Size Black Gray Wrenching Flats Overall Length Quick and easy installation into in. mm. in. mm. Threaded Holes. NPT For multiple thread sizes and types. NPT 1/4 3551B 3551 TVP NPT 1/4 .63 16,0 .66 16,8 All sizes and types feature seven (7) NPT 3/8 3552B 3552 TVP NPT 3/8 .83 21,0 .69 17,5 .094 (2,4 mm) diameter vent holes. NPT 1/2 3553B 3553 TVP NPT 1/2 .98 24,9 .81 20,6 Threaded plugs for hydraulic and NPT 3/4 3554B 3554 TVP NPT 3/4 1.29 32,8 .86 21,8 pneumatic applications. PG - for PG Thread specifications, see page 3-49 Lower cost option over brass or Pg 7 3566B 3566 TVP Pg 7 .63 16,0 steel plugs53 13,5 Pg 9 3567B 3567 TVP Pg 9 .83 21,0 Non-corrosive-resist salt water, weak acids, gasoline, alcohol, oil, grease Pg 13.5 3568B 3568 TVP Pg 13.5 .98 24,9 .62 15,8 and common solvents. Resist oil and Pg 21 3569B 3569 TVP Pg 21 1.29 32,8 .76 19,3 heat up to 221F (105C). Metric Approximate Head Thickness: M12 3557B 3557 TVP M12 .63 16,0 .21 (5,3 mm). Thickness may vary53 13,5 M16 3558B 3558 TVP M16 .83 21,0 Hex shaped head for wrench M20 3559B 3559 TVP M20 .98 24,9 .62 15,8 installation. Standard color Black. Consult Heyco for other colors. Electrically non-conductive Nylon 6/6. For Liquid Tight Threaded Vent Plugs, see page 5-5. B A Material Nylon 6/6 bodies with UL (f1) rating Quick Flammability Rating 94V-2 Temperature Range -40F (-40C) to 221F (105C) Specs 1-800-526-4182 732-286-1800 (NJ) FAX: 732-244-8843 www.heyco.com 5-4X-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Conduit Fittings & Accessories category: Click to view products by Heyco manufacturer: Other Similar products are found below : M3231GAB M3231GAC M3231GAE M3231GL M3231GN M3231GT VC-937-16/RED VC-562-16/RED VC-1125-16/RED DM0240- 1/2A 3408B G6002 M4340GAE C2016-P C2012-P 3407B 1660-P 561-87BG11BLK 561-75BG11B BVNV-P428 BVBV-P366 2276 2663-P 3405B C2070-P 3582V 4975 2644-P 2955 M50 2404-P 2291 2133-P 3048F VC12516 RC156-0500 DM0523-1/2A 1035A DMS0250-1A DMS0313-1A 1040A 1050A R1/8A DMPC0490-1/2A DMPC0521-1/2A DMPC0552-1/2A 1070A R1/2A E1-7/8B 061A R3/4A