Bird Precision
Bird Precision
One Spruce Street, P.O. Box 540569
Waltham, MA 02454-0569 USA
Phone: (800) 454-7369
Fax: (800) 370–6308
Email: sales@birdprecision.com
Website: www.birdprecision.com
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Barbed Filtered Orifice Inserts are easily press fit into plastic components, manifolds, blocks, fittings and connectors. RB31391 is brass and comes with our complete line of sharp edge ruby orifice series in sizes 0.0004" thru 0.035". Stainless steel wire mesh filters are available in 5 micron, 25 micron and 43 micron filtration sizes. RB 31391 is 0.118" dia and approx. 0.120" long.
RB31391 Series Brass Barbed Filter Orifice Insert
Unit of Measure
1 2 3 

Item #

Item Name

Series

Orifice Inner Diameter (I.D.)

Orifice Outer Diameter (O.D.)

Material

RB31391BR-22329 N/A RB31391 Series 0.0004 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0004 in N/A 0.060 in N/A Brass
RB31391BR-22320 N/A RB31391 Series 0.0005 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0005 in N/A 0.060 in N/A Brass
RB31391BR-22023 N/A RB31391 Series 0.0006 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0006 in N/A 0.060 in N/A Brass
RB31391BR-22104 N/A RB31391 Series 0.0008 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0008 in N/A 0.060 in N/A Brass
RB31391BR-22143 N/A RB31391 Series 0.0010 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0010 in N/A 0.060 in N/A Brass
RB31391BR-22111 N/A RB31391 Series 0.0012 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0012 in N/A 0.060 in N/A Brass
RB31391BR-22231 N/A RB31391 Series 0.0014 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0014 in N/A 0.060 in N/A Brass
RB31391BR-22114 N/A RB31391 Series 0.0016 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0016 in N/A 0.060 in N/A Brass
RB31391BR-22350 N/A RB31391 Series 0.0017 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0017 in N/A 0.060 in N/A Brass
RB31391BR-22276 N/A RB31391 Series 0.0018 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0018 in N/A 0.060 in N/A Brass
RB31391BR-22021 N/A RB31391 Series 0.0020 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0020 in N/A 0.060 in N/A Brass
RB31391BR-22277 N/A RB31391 Series 0.0022 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0022 in N/A 0.060 in N/A Brass
RB31391BR-22029 N/A RB31391 Series 0.0025 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0025 in N/A 0.060 in N/A Brass
RB31391BR-22180 N/A RB31391 Series 0.0026 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0026 in N/A 0.060 in N/A Brass
RB31391BR-22033 N/A RB31391 Series 0.0030 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0030 in N/A 0.060 in N/A Brass
RB31391BR-22034 N/A RB31391 Series 0.0035 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0035 in N/A 0.060 in N/A Brass
RB31391BR-22037 N/A RB31391 Series 0.0040 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0040 in N/A 0.060 in N/A Brass
RB31391BR-22038 N/A RB31391 Series 0.0045 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0045 in N/A 0.060 in N/A Brass
RB31391BR-22375 N/A RB31391 Series 0.0046 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0046 in N/A 0.060 in N/A Brass
RB31391BR-22039 N/A RB31391 Series 0.0050 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0050 in N/A 0.060 in N/A Brass
RB31391BR-22042 N/A RB31391 Series 0.0055 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0055 in N/A 0.060 in N/A Brass
RB31391BR-22012 N/A RB31391 Series 0.0060 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0060 in N/A 0.060 in N/A Brass
RB31391BR-22043 N/A RB31391 Series 0.0065 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0065 in N/A 0.060 in N/A Brass
RB31391BR-22844 N/A RB31391 Series 0.0070 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0070 in N/A 0.060 in N/A Brass
RB31391BR-22044 N/A RB31391 Series 0.0075 Inch (in) Inner Diameter (I.D.) Brass Barbed Filter Orifice Insert N/A RB31391 N/A 0.0075 in N/A 0.060 in N/A Brass
Unit of Measure
1 2 3