Inch Dimensions of Reducing Inserts Type 2 as per MSS-SP-79

NPS1	NPS2	A Laying Length	B Socket Bore Dia.	C Min. Wall Thickness	D Shank Bore Dia	L Min. Socket Depth	SD Shank Dia	SL Shank Length
3/4	3/8	0.620	0.700	0.158	0.493	0.380	1.050	1.060
3/4	1/4	0.690	0.565	0.149	0.364	0.380	1.050	1.060
1	1/2	0.620	0.865	0.184	0.622	0.380	1.315	1.120
1	3/8	0.690	0.700	0.158	0.493	0.380	1.315	1.120
1	1/4	0.750	0.565	0.149	0.364	0.380	1.315	1.120
1-1/4	3/4	0.690	1.075	0.193	0.824	0.500	1.660	1.250
1-1/4	1/2	0.750	0.865	0.184	0.622	0.380	1.660	1.250
1-1/4	3/8	0.810	0.700	0.158	0.493	0.380	1.660	1.250
1-1/4	1/4	0.880	0.565	0.149	0.364	0.380	1.660	1.250
1-1/2	1	0.690	1.340	0.224	1.049	0.500	1.900	1.310
1-1/2	3/4	0.750	1.075	0.193	0.824	0.500	1.900	1.310
1-1/2	1/2	0.810	0.865	0.184	0.622	0.380	1.900	1.310
1-1/2	3/8	0.880	0.700	0.158	0.493	0.380	1.900	1.310
2	1-1/4	0.810	1.685	0.239	1.380	0.500	2.375	1.500
2	1	0.880	1.340	0.224	1.049	0.500	2.375	1.500
2	3/4	0.940	1.075	0.193	0.824	0.500	2.375	1.500
2	1/2	1.000	0.865	0.184	0.622	0.380	2.375	1.500
2-1/2	1-1/2	1.380	1.925	0.250	1.610	0.500	2.875	2.120
2-1/2	1-1/4	1.440	1.685	0.239	1.380	0.500	2.875	2.120
2-1/2	1	1.500	1.340	0.224	1.049	0.500	2.875	2.120
2-1/2	3/4	1.560	1.075	0.193	0.824	0.500	2.875	2.120
3	2	1.000	2.416	0.273	2.067	0.620	3.500	1.870
3	1-1/2	1.120	1.925	0.250	1.610	0.500	3.500	1.870
3	1-1/4	1.190	1.685	0.239	1.380	0.500	3.500	1.870
3	1	1.250	1.340	0.224	1.049	0.500	3.500	1.870
4	3	1.310	3.545	0.375	3.068	0.620	4.500	2.380
4	2-1/2	1.500	2.916	0.345	2.469	0.620	4.500	2.380
4	2	1.500	2.416	0.273	2.067	0.620	4.500	2.380
4	1-1/2	1.620	1.925	0.250	1.610	0.500	4.500	2.380
4	1-1/4	1.690	1.685	0.239	1.380	0.500	4.500	2.380

NPS1	NPS2	A Laying Length	B Socket Bore Dia.	C Min. Wall Thickness	D Shank Bore Dia	L Min. Socket Depth	SD Shank Dia	SL Shank Length
3/4	1/4	0.880	0.565	0.181	0.250	0.380	1.050	1.260
1	3/8	0.880	0.700	0.198	0.359	0.380	1.315	1.310
1	1/4	0.940	0.565	0.181	0.250	0.380	1.315	1.310
1-1/4	3/4	0.810	1.075	0.274	0.612	0.500	1.660	1.370
1-1/4	1/2	0.880	0.865	0.235	0.464	0.380	1.660	1.370
1-1/4	3/8	0.940	0.700	0.198	0.359	0.380	1.660	1.370
1-1/4	1/4	1.000	0.565	0.181	0.250	0.380	1.660	1.370
1-1/2	3/4	1.000	1.075	0.274	0.612	0.500	1.900	1.560
1-1/2	1/2	1.060	0.865	0.235	0.464	0.380	1.900	1.560
1-1/2	3/8	1.120	0.700	0.198	0.359	0.380	1.900	1.560
2	1-1/4	0.940	1.685	0.312	1.160	0.500	2.375	1.620
2	1	1.000	1.340	0.312	0.815	0.500	2.375	1.620
2	3/4	1.060	1.075	0.274	0.612	0.500	2.375	1.620
2	1/2	1.120	0.865	0.235	0.464	0.380	2.375	1.620
2-1/2	1-1/2	1.380	1.925	0.351	1.338	0.500	2.875	2.120
2-1/2	1-1/4	1.440	1.685	0.312	1.160	0.500	2.875	2.120
2-1/2	1	1.500	1.340	0.312	0.815	0.500	2.875	2.120
2-1/2	3/4	1.500	1.075	0.274	0.612	0.500	2.875	2.120
3	2	1.250	2.416	0.430	1.687	0.620	3.500	2.120
3	1-1/2	1.250	1.925	0.351	1.338	0.500	3.500	2.120
3	1-1/4	1.250	1.685	0.312	1.160	0.500	3.500	2.120
3	1	1.250	1.340	0.312	0.815	0.500	3.500	2.120

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