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Heyco® Nylon Liquid Tight Threaded Plugs

Liquid Tight, with Integral Sealing Ring
Hex Head with Slot

  • Part Numbers and Specifications
  • Features
THREAD
TYPE/SIZE
PART NO. DESCRIPTION PART DIMENSIONS CAD
Black Gray V-0
Black
A
Wrenching
Flats
B
Overall
Length
in. mm. in. mm.

NPT

NPT 1/4 3544B 3544 - LTTP NPT 1/4 .63 16,0 .66 16,8 CAD
NPT 3/8 3545B 3545 - LTTP NPT 3/8 .83 21,1 .69 17,5 CAD
NPT 1/2 3546B 3546 V3546* LTTP NPT 1/2 .98 24,9 .81 20,6 CAD
NPT 3/4 3547B 3547 V3547* LTTP NPT 3/4 1.29 32,8 .86 21,8 CAD
NPT 1* 3548B 3548 V3548 LTTP NPT 1 1.74 44,2 1.05 26,7 CAD
NPT 1-1/4* 3549B 3549 V3549 LTTP NPT 1-1/4 2.06 52,3 1.08 27,4 CAD

PG* -for PG Thread Specifications, click here

PG 7 3574B 3574 - LTTP PG 7 .63 16,0 .53 13,5 CAD
PG 9 3575B 3575 - LTTP PG 9 .83 21,0 CAD
PG 13.5 3576B 3576 - LTTP PG 13.5 .98 24,9 .62 15,8 CAD
PG 21 3401B 3401 - LTTP PG 21 1.29 32,8 .68 17,3 CAD
PG 29* 3578B 3578 - LTTP PG 29 1.74 44,2 .87 22,1 CAD
PG 36* 3579B 3579 - LTTP PG 36 2.06 52,3 .78 19,8 CAD

Metric

M12 3582B 3582 - LTTP M12 .63 16,0 .53 13,5 CAD
M16 3583B 3583 - LTTP M16 .83 21,1 CAD
M20 3584B 3584 - LTTP M20 .98 24,9 .62 15,8 CAD
M25 3585B 3585 - LTTP M25 1.29 32,8 .76 19,3
M32* 3586B 3586 - LTTP M32 1.74 44,2 .87 22,1 CAD
M40* 3587B 3587 - LTTP M40 2.06 52,3 .78 19,8 CAD

Standard color black. Consult Heyco for other colors.
*Not cURus

Available in Small Packs

PART NO. DESCRIPTION QTY
3546-P LTTP NPT 1/2 GRAY 100PK 100
3547-P LTTP NPT 3/4 GRAY 100PK 100
3548-P LTTP NPT 1 GRAY 100PK 100
3549-P LTTP NPT 1-1/4 GRAY 50PK 50

Standard color gray.

  • Integral sealing ring ensures a superior seal at mounting hole location, every time.
  • IP 68 Rated.
  • Provide a liquid-tight seal up to 70 psi.
  • UL Rated for Type NEMA 3R, 4 and 4X applications.
  • Threaded plugs for hydraulic and pneumatic applications.
  • Seal threaded openings and protect against contamination and moisture.
  • Lower cost option over brass or steel plugs.
  • Non-corrosive—resist salt water, weak acids, gasoline, alcohol, oil, grease, and common solvents.
  • Resist oil and heat up to 221°F (105°C).
  • Approximate Head Thickness: .21" (5,3 mm). Thickness may vary.
  • Hex shaped head with slot for wrench or screwdriver installation.
  • Electrically non-conductive Nylon 6/6.

QuickSpecs

Material   Nylon 6/6
Certifications cruus 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 68 (70 PSI, 5 BAR)
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