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A miniature tube fitting from SMC Corporation.
[Features]
· Compact piping space.
· Nylon, soft nylon and polyurethane tube piping.
· Small and can be removed without tools.
Part Number
Configured Part Number is shown.

Hose Nipple M-01H-4, -6 outline drawing
| Model | A | B | øC | øD | E | Effective cross-sectional area (mm2) | Weight g |
|---|---|---|---|---|---|---|---|
| M-01H-4 | 18.6 | 8.5 | 1.8 | 6.5 | 7 | 2.1 | 7.1 |
| M-01H-6 | 19.6 | 9.5 | 3 | 8.5 | 8 | 5.5 | 7.7 |

Mini Fitting M series structure
| Applicable tube material | Nylon | Soft nylon Note 1: | Polyurethane | Super PFA Note 2: | FEP Note 3: | Modified PTFE Note 4: | ||
|---|---|---|---|---|---|---|---|---|
| Applicable tube outer diameter / inner diameter | For M3 | - | ø3.18/ø2.18 | ø4/ø2.5 | ø3.18/ø2 ø4/ø2.5 | - | - | - |
| For M5, R1/8 | ø4/ø2.5 ø6/ø4 | ø4/ø2.5 ø6/ø4 | ø3.18/ø2 ø4/ø2.5 ø6/ø4 | ø6/ø4 | ø4/ø2.5 ø6/ø4 | ø4/ø2.5 ø6/ø4 | ||
| Usable fluids | Air, water Note 5: | |||||||
| Maximum operating pressure (at 20°C) | 1.5 MPa | 1 MPa | 0.8 MPa | 1 MPa | 1.5 MPa | 1.4 MPa | ||
| Ambient temperature and working fluid temperature | -5 to 60°C, For water: 0 to 40°C (no freezing) | |||||||
| Connection size | M3, M5, R1/8 | M5, R1/8 | ||||||
| Thread | JIS B0205, Class 2 (metric coarse thread) JIS B0203 (tapered thread for pipes/tubes) | |||||||
Note 1) For soft nylon tube, water cannot be used.
For Note 2, Note 3 and Note 4, use only hose nipple types.
Note 5: Water cannot be used for barb fittings, barb elbows or barb elbows (H).
| Materials | Body | C3604BD (SUS303 for M-3N and M-5N nipples) |
|---|---|---|
| Gasket | Nylon 66 / GF30%, SUS304/NBR (PVC for M3 only) |
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| Connection Types | Screw⇔Tube Connection | Screw <=> Tube Connection Shape | Male Straight (Barb) | Material | Brass |
|---|---|---|---|---|---|
| Connection screw | R |
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