• 3000# Forged Union Stainless Steel Pipe Fittings - Threaded

3000# Forged Union Stainless Steel Pipe Fittings - Threaded

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3000# union pipe fittings forged out of stainless steel to ASTM 182 and ANSI B16.11 specifications with threaded end connections. Available in 304 and 316 stainless steel alloys.

Part
No.
Size
(in.)
Pipe End
Min. (A)
Wall
Min. (C)
Water
Way Bore
(D) Min.
Water
Way Bore
(D) Max.
Male
Flange
Min. (F)
Nut Min.
(G)
Bearing
Min. (J)
Length
Assem. (L)
Nut
Clearance
(N)
Material
3MTHUN4S-0131/8"0.579"
(14.7mm)
0.095"
(2.4mm)
0.253"
(6.4mm)
0.269"
(6.8mm)
0.125"
(3.2mm)
0.126"
(3.2mm)
0.049"
(1.2mm)
1.630"
(41.4mm)
1.929"
(49.0mm)
304 SS
3MTHUN4S-0251/4"0.748"
(19.0mm)
0.119"
(3.0mm)
0.372"
(9.4mm)
0.388"
(9.9mm)
0.125"
(3.2mm)
0.126"
(3.2mm)
0.049"
(1.2mm)
1.630"
(41.4mm)
1.929"
(49.0mm)
304 SS
3MTHUN4S-0383/8"0.902"
(22.9mm)
0.126"
(3.2mm)
0.532"
(13.5mm)
0.548"
(13.9mm)
0.135"
(3.4mm)
0.134"
(3.4mm)
0.054"
(1.4mm)
1.811"
(46.0mm)
2.165"
(55.0mm)
304 SS
3MTHUN4S-0501/2"1.091"
(27.7mm)
0.147"
(3.7mm)
0.672"
(17.1mm)
0.688"
(17.5mm)
0.145"
(3.7mm)
0.146"
(3.7mm)
0.059"
(1.5mm)
1.929"
(49.0mm)
2.244"
(57.0mm)
304 SS
3MTHUN4S-0753/4"1.319"
(33.5mm)
0.154"
(3.9mm)
0.842"
(21.4mm)
0.858"
(21.8mm)
0.160"
(4.1mm)
0.161"
(4.1mm)
0.066"
(1.7mm)
2.240"
(56.9mm)
2.638"
(67.0mm)
304 SS
3MTHUN4S-1001"1.630"
(41.4mm)
0.179"
(4.5mm)
1.092"
(27.7mm)
1.108"
(28.1mm)
0.180"
(4.6mm)
0.173"
(4.4mm)
0.073"
(1.9mm)
2.441"
(62.0mm)
3.110"
(79.0mm)
304 SS
3MTHUN4S-1251-1/4"1.988"
(50.5mm)
0.191"
(4.9mm)
1.392"
(35.4mm)
1.408"
(35.8mm)
0.210"
(5.3mm)
0.205"
(5.2mm)
0.084"
(2.1mm)
2.799"
(71.1mm)
3.701"
(94.0mm)
304 SS
3MTHUN4S-1501-1/2"2.252"
(57.2mm)
0.200"
(5.1mm)
1.622"
(41.2mm)
1.638"
(41.6mm)
0.230"
(5.8mm)
0.220"
(5.6mm)
0.091"
(2.3mm)
3.008"
(76.4mm)
4.370"
(111.0mm)
304 SS
3MTHUN4S-2002"2.760"
(70.1mm)
0.218"
(5.5mm)
2.052"
(52.1mm)
2.068"
(52.5mm)
0.260"
(6.6mm)
0.252"
(6.4mm)
0.106"
(2.7mm)
3.390"
(86.1mm)
5.197"
(132.0mm)
304 SS
3MTHUN4S-2502-1/2"3.358"
(85.3mm)
0.276"
(7.0mm)
2.532"
(64.3mm)
2.548"
(64.7mm)
0.295"
(7.5mm)
0.280"
(7.1mm)
0.121"
(3.1mm)
4.031"
(102.4mm)
5.827"
(148.0mm)
304 SS
3MTHUN4S-3003"4.031"
(102.4mm)
0.300"
(7.6mm)
3.042"
(77.3mm)
3.058"
(77.7mm)
0.325"
(8.3mm)
0.315"
(8.0mm)
0.139"
(3.5mm)
4.291"
(109.0mm)
6.890"
(175.0mm)
304 SS
3MTHUN6S-0131/8"0.579"
(14.7mm)
0.095"
(2.4mm)
0.253"
(6.4mm)
0.269"
(6.8mm)
0.125"
(3.2mm)
0.126"
(3.2mm)
0.049"
(1.2mm)
1.630"
(41.4mm)
1.929"
(49.0mm)
316 SS
3MTHUN6S-0251/4"0.748"
(19.0mm)
0.119"
(3.0mm)
0.372"
(9.4mm)
0.388"
(9.9mm)
0.125"
(3.2mm)
0.126"
(3.2mm)
0.049"
(1.2mm)
1.630"
(41.4mm)
1.929"
(49.0mm)
316 SS
3MTHUN6S-0383/8"0.902"
(22.9mm)
0.126"
(3.2mm)
0.532"
(13.5mm)
0.548"
(13.9mm)
0.135"
(3.4mm)
0.134"
(3.4mm)
0.054"
(1.4mm)
1.811"
(46.0mm)
2.165"
(55.0mm)
316 SS
3MTHUN6S-0501/2"1.091"
(27.7mm)
0.147"
(3.7mm)
0.672"
(17.1mm)
0.688"
(17.5mm)
0.145"
(3.7mm)
0.146"
(3.7mm)
0.059"
(1.5mm)
1.929"
(49.0mm)
2.244"
(57.0mm)
316 SS
3MTHUN6S-0753/4"1.319"
(33.5mm)
0.154"
(3.9mm)
0.842"
(21.4mm)
0.858"
(21.8mm)
0.160"
(4.1mm)
0.161"
(4.1mm)
0.066"
(1.7mm)
2.240"
(56.9mm)
2.638"
(67.0mm)
316 SS
3MTHUN6S-1001"1.630"
(41.4mm)
0.179"
(4.5mm)
1.092"
(27.7mm)
1.108"
(28.1mm)
0.180"
(4.6mm)
0.173"
(4.4mm)
0.073"
(1.9mm)
2.441"
(62.0mm)
3.110"
(79.0mm)
316 SS
3MTHUN6S-1251-1/4"1.988"
(50.5mm)
0.191"
(4.9mm)
1.392"
(35.4mm)
1.408"
(35.8mm)
0.210"
(5.3mm)
0.205"
(5.2mm)
0.084"
(2.1mm)
2.799"
(71.1mm)
3.701"
(94.0mm)
316 SS
3MTHUN6S-1501-1/2"2.252"
(57.2mm)
0.200"
(5.1mm)
1.622"
(41.2mm)
1.638"
(41.6mm)
0.230"
(5.8mm)
0.220"
(5.6mm)
0.091"
(2.3mm)
3.008"
(76.4mm)
4.370"
(111.0mm)
316 SS
3MTHUN6S-2002"2.760"
(70.1mm)
0.218"
(5.5mm)
2.052"
(52.1mm)
2.068"
(52.5mm)
0.260"
(6.6mm)
0.252"
(6.4mm)
0.106"
(2.7mm)
3.390"
(86.1mm)
5.197"
(132.0mm)
316 SS
3MTHUN6S-2502-1/2"3.358"
(85.3mm)
0.276"
(7.0mm)
2.532"
(64.3mm)
2.548"
(64.7mm)
0.295"
(7.5mm)
0.280"
(7.1mm)
0.121"
(3.1mm)
4.031"
(102.4mm)
5.827"
(148.0mm)
316 SS
3MTHUN6S-3003"4.031"
(102.4mm)
0.300"
(7.6mm)
3.042"
(77.3mm)
3.058"
(77.7mm)
0.325"
(8.3mm)
0.315"
(8.0mm)
0.139"
(3.5mm)
4.291"
(109.0mm)
6.890"
(175.0mm)
316 SS

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