Library › Hardware › Tri-clamp × male NPT adapters (21MP style): ½ to 4 in

½ in clamp × ½ MNPT

½ in clamp × ½ MNPT: 1.63 in face to thread end; thread envelope Ø21.34 × 13.6 (L2)

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

clamp_in	2½
npt	2½
A_in	2.88
A_mm	73.2
thread_major_mm	73.03
L2_mm	28.89

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From the full sheet

Tri-clamp × male NPT adapters (21MP style): ½ to 4 in: every size, notes, mating features and sources. How long is a tri-clamp to male NPT adapter?

Other sizes

½ in clamp × ¼ MNPT
½ in clamp × ¾ MNPT
¾ in clamp × ¾ MNPT
1 in clamp × ½ MNPT
1 in clamp × 1 MNPT
2 in clamp × 2 MNPT
2½ in clamp × 2½ MNPT
3 in clamp × 3 MNPT
4 in clamp × 4 MNPT