Des-Case 3-D BullsEye Sight Glasses allow immediate and accurate visual oil level monitoring from virtually any angle. Engineered to outperform and outlast traditional viewports, its inherently strong polyamide construction provides excellent impact, chemical, and UV resistance.

Data Sheet

Features and Options

• Sizes from 0.65″ to 2.32″
• NPT, BSPP, or Metric threads
• Brass fittings standard on 1/4″ NPT, 3/8″ NPT, M10X1.0, M10X1.5, and M12X1.5
• Transparent polyamide material

Operating Conditions

• Temperature range: -40˚F to 200˚F (-40˚C to 93˚C)
• Maximum pressure: 65 psi at 200˚F (4.48 bar at 93˚C)
• Chemically compatible with all gear, mineral, and synthetic oils

Application

• Pumps
• Gearboxes
• Storage Tanks
• Viewport Replacement

NPT Polyamide Sizes

Part Number	Thread	Outside Diameter (in/cm)	Length from Last Thread (in/cm)
DC-3DB0250	1/4" NPT	0.84/2.133	1.75/4.445
DC-3DB0375	3/8" NPT	0.91/2.311	1.81/4.597
DC-3DB0500	1/2" NPT	0.77/1.955	1.53/3.886
DC-3DB0750	3/4" NPT	1.02/2.59	1.66/4.216
DC-3DB1000	1" NPT	1.26/3.2	1.85/4.699
DC-3DB1250	1-1/4" NPT	1.61/4.089	1.9/4.826
DC-3DB1500	1-1/2" NPT	1.85/4.699	2.01/5.08
DC-3DB2000	2" NPT	2.32/5.892	2.3/5.842

BSPP Polyamide Sizes

Part Number	Thread	Outside Diameter (in/cm)	Length from Last Thread (in/cm)
DC-3DBBSPP0500	1/2" BSPP	1.34/3.403	1.65/4.191
DC-3DBBSPP0750	3/4" BSPP	1.59/4.038	1.65/4.191
DC-3DBBSPP1000	1" BSPP	1.86/4.724	1.85/4.699

Metric Polyamide Sizes

Part Number	Thread	Outside Diameter (in/cm)	Length from Last Thread (in/cm)
DC-3DBM10X1.0	M10x1.0	0.72/1.828	1.97/5.003
DC-3DBM10X1.5	M10x1.5	0.65/1.651	1.74/4.419
DC-3DBM12X1.5	M12x1.5	0.76/1.93	1.87/4.749
DC-3DBM16X1.5	M16x1.5	1/2.54	1.65/4.191
DC-3DBM20X1.5	M20x1.5	1.28/3.251	1.65/4.191
DC-3DBM22X1.5	M22x1.5	1.26/3.2	1.65/4.191
DC-3DBM24X1.5	M24x1.5	1.41/3.581	1.75/2.794
DC-3DBM26X1.5	M26x1.5	1.5/3.81	1.75/2.794
DC-3DBM27X1.5	M27x1.5	1.5/3.81	1.75/2.794
DC-3DBM30X1.5	M30x1.5	1.75/4.445	1.84/4.673
DC-3DBM30X2.0	M30x2.0	1.82/4.622	1.84/4.673
DC-3DBM33X1.5	M33x1.5	1.75/4.445	1.84/4.673