Metric Dimensions of Reducing Inserts Type 1 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
3/8	1/4	19.05	14.35	3.78	9.25	9.65	17.15	14.22
1/2	3/8	20.57	17.78	4.01	12.52	9.65	21.34	15.75
1/2	1/4	20.57	14.35	3.78	9.25	9.65	21.34	15.75
3/4	1/2	22.35	21.97	4.67	15.80	9.65	26.67	17.53
1	3/4	23.88	27.31	4.90	20.93	12.70	33.40	19.05
1-1/4	1	25.40	34.04	5.69	26.64	12.70	42.16	20.57
1-1/2	1-1/4	28.45	42.80	6.07	35.05	12.70	48.26	22.35
2	1-1/2	31.75	48.90	6.35	40.89	12.70	60.33	25.40
2-1/2	2	45.97	61.37	6.93	52.50	15.75	73.03	38.10
3	2-1/2	38.10	74.07	8.76	62.71	15.75	88.90	31.75
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

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
3/8	1/4	21.34	14.35	4.60	6.35	9.65	17.15	15.75
1/2	3/8	23.11	17.78	5.03	9.12	9.65	21.34	15.75
1/2	1/4	20.57	14.35	4.60	6.35	9.65	21.34	15.75
3/4	1/2	25.40	21.97	5.97	11.79	9.65	26.67	19.05
3/4	3/8	22.35	17.78	5.03	9.12	9.65	26.67	19.05
1	3/4	28.45	27.31	6.96	15.54	12.70	33.40	20.57
1	1/2	28.45	21.97	5.97	11.79	9.65	33.40	20.57
1-1/4	1	30.23	34.04	7.92	20.70	12.70	42.16	22.35
1-1/2	1	29.21	34.04	7.92	20.70	12.70	48.26	25.40
2	1-1/2	38.86	48.90	8.92	33.99	12.70	60.33	28.70
2-1/2	2	42.67	61.37	10.92	42.85	15.75	73.03	31.75
3	2-1/2	57.15	74.07	11.91	53.98	15.75	88.90	44.45
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

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