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Metalwork Pneumatic

Pneumatic valves, cylinders, regulators, filters, push-in fittings

Stucchi USA

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Brass Pipe Fittings (NPTF)

Pipe thread drawing

This connection is still widely used in fluid power systems, even though it is not recommended by the National Fluid Power Association (NFPA) for use in hydraulic applications. The thread is tapered and the seal takes place by deformation of the threads. Measure thread diameter and subtract 1/4- inch to find nominal pipe size.

Inch Size
Dash Size
Nominal Thread Size
Male Thread OD
Female Thread ID
1/8
-02
1/8-27
13/32" (.41)
3/8" (.38)
1/4
-04
1/4-18
17/32" (.54)
1/2" (.49)
3/8
-06
3/8-18
11/16" (.68)
5/8" (.63)
1/2
-08
1/2-14
27/32" (.84)
25/32" (.77)
3/4
-12
3/4-14
1 1/16" (1.05)
1" (.98)
1
-16
1-11.5
1 5/16" (1.32)
1 1/4" (1.24)
1 1/4
-20
1 1/4-11.5
1 21/32" (1.66)
1 19/32" (1.58)
1 1/2
-24
1 1/2-11.5
1 29/32" (1.90)
1 13/16" (1.82)
2
-32
2-11.5
2 3/8" (2.38)
2 5/16" (2.30)
eaton aeroquip fittings

We are an authorized distributor of Eaton Aeroquip products. Other manufacture's part numbers shown for reference.
Common Brass Pipe Fittings
Image Description Part # / SKU  
Brass hex pipe cap Brass Pipe Cap
 Aeroquip # 3129xX
Parker # 213P-X		 available on-line
Brass slotted head pipe plug Brass Slotted Pipe Plug Aeroquip # 3150xX
Parker # 220P-X		 available on-line
brass square head pipe plug Brass Square Head Pipe Plug Aeroquip # 3151xX
Parker # 211P-X		 available on-line
Brass hex head pipe plug Brass Hex Head Pipe Plug Aeroquip # 3152xX
Parker # 218P-X		 available on-line
Brass Hex Socket Pipe Plug Brass Hex Socket Pipe Plug Aeroquip # 3153xX
Parker # 219P-X		 available on-line
brass Pipe expander Adapter Brass Pipe Extender / Expander Aeroquip # 3200xX
Parker # 222P-X		 available on-line
Brass Pipe Bushing Brass Pipe Bushing Aeroquip # 3220xX
Parker # 209P-X		 available on-line
Brass Pipe Union Brass Pipe Union Aeroquip # 3250xX
Parker # 212P-X		 available on-line
Brass Pipe Coupling Brass Pipe Coupling Aeroquip # 3300xX
Parker # 207P-X		 available on-line
Brass Pipe Hex Nipple Brass Hex Pipe Nipple Aeroquip # 3325xX
Parker # 216P-X		 available on-line
Brass Close Pipe Nipple Brass Close Pipe Nipple Aeroquip # 3326xX
Parker # 215PN-X		 available on-line
Brass Pipe Nipple Brass Pipe Nipples Aeroquip # 3327xX,
Parker #215PNL-X		 available on-line
Brass Bulkhead Coupling Brass Pipe Coupling Aeroquip # 1344xX
Parker # 207ACBH-X		 available on-line
Brass 45 degree pipe elbow Brass 45° Street Elbow Aeroquip # 3350xX
Parker # 2214P-X		 available on-line
Brass 90 degree street elbow Brass 90° Street Elbow Aeroquip # 3400xX
Parker # 		available on-line
Brass 90 degree female elbow Brass 90° Female Elbow Aeroquip # 3500xX
Parker # 2200P-X		 available on-line
Brass Male Branch Tee Brass Male Branch Tee Aeroquip # 3600xX
Parker # 2224P-X		 available on-line
Brass Female Pipe Tee Brass Female Pipe Tee Aeroquip # 3700xX
Parker # 2203P-X		 available on-line
Brass Male Run Tee Brass Male Run Tee Aeroquip # 3750xX
Parker # 2225P-X		 available on-line
Brass Pipe Cross Brass Pipe Cross Aeroquip # 3950xX
Parker # 2205P-X		 available on-line

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