NPT Male Hose Fitting
Straight NPT male hose fitting — tapered thread, self-sealing on engagement. Use PTFE tape or anaerobic sealant for hydraulic service. straight, NPT taper (1/8" – 2" — ASME B1.20.1), Tapered thread (self-sealing on engagement).
Key features
- Fitting Configuration: straight
- Thread Form: NPT taper (1/8" – 2" — ASME B1.20.1)
- Sealing Form: Tapered thread (self-sealing on engagement)
- Nominal Size Range: NPT 1/8 – 2
- Fitting Configuration
- straight
- Thread Form
- NPT taper (1/8" – 2" — ASME B1.20.1)
- Sealing Form
- Tapered thread (self-sealing on engagement)
- Nominal Size Range
- NPT 1/8 – 2
Product description
The NPT Male Hose Fitting is a straight hydraulic hose fitting in the NPT family — male thread with Tapered thread (self-sealing on engagement) sealing form. Compliant with ASME B1.20.1, ISO 7-1.
Construction
- Configuration: straight
- Thread form: NPT taper (1/8" – 2" — ASME B1.20.1)
- Sealing form: Tapered thread (self-sealing on engagement)
- Gender: male
- Material: Carbon steel (stainless steel available on request)
- Surface treatment: Zinc-plated, Cr3+ passivated, RoHS-compliant
- Notes: Tapered thread — distinct from BSPT (NPT has 60° thread angle vs BSPT 55°). Not interchangeable.
Performance
Pressure rating matches the matching ferrule and host hose grade — see Indus Crimp Ferrules for compatibility tables. Operating temperature -40°C to +120°C; refer to fluid compatibility chart for aggressive media.
Applicable Standards
- ASME B1.20.1
- ISO 7-1
How to order
Specify (a) the host hose grade and bore size, (b) the matching crimp ferrule, and (c) the thread size. Indus crimps and pressure-tests the assembly before dispatch.
Companion products
Pair with Indus crimp ferrules from the matching hose grade. Browse the Hose Fittings sub-section under Hoses & Fittings for other thread families.
Identification
| Parameter | Value |
|---|---|
| Fitting Configuration | straight |
| Thread Form | NPT taper (1/8" – 2" — ASME B1.20.1) |
| Sealing Form | Tapered thread (self-sealing on engagement) |
| Thread Gender | male |
Dimensions
| Parameter | Value |
|---|---|
| Nominal Size Range | NPT 1/8 – 2 |
Construction
| Parameter | Value |
|---|---|
| Material | Carbon steel (stainless on request) |
| Surface Treatment | Zinc-plated, Cr3+ passivated, RoHS-compliant |
Compliance
| Parameter | Value |
|---|---|
| Applicable Standards | ASME B1.20.1, ISO 7-1 |
Shipping & lead time
Sizes & part numbers
24 sizes| Indus part no. | Hose bore | Flange size | S1 (mm) | A (mm) | C (mm) |
|---|---|---|---|---|---|
| IH-PT-NPT-MAL-0302 | -03 · 3/16" · DN5 | NPT1/8"×27 | 12 | 22.5 | 10.5 |
| IH-PT-NPT-MAL-0304 | -03 · 3/16" · DN5 | NPT1/4"×18 | 17 | 27.5 | 15 |
| IH-PT-NPT-MAL-0402 | -04 · 1/4" · DN6 | NPT1/8"×27 | 12 | 22.5 | 10.5 |
| IH-PT-NPT-MAL-0404 | -04 · 1/4" · DN6 | NPT1/4"×18 | 17 | 28 | 15 |
| IH-PT-NPT-MAL-0406 | -04 · 1/4" · DN6 | NPT3/8"×18 | 19 | 28 | 16 |
| IH-PT-NPT-MAL-0504 | -05 · 5/16" · DN8 | NPT1/4"×18 | 17 | 28 | 15 |
| IH-PT-NPT-MAL-0506 | -05 · 5/16" · DN8 | NPT3/8"×18 | 19 | 28 | 16 |
| IH-PT-NPT-MAL-0604 | -06 · 3/8" · DN10 | NPT1/4"×18 | 17 | 27 | 15 |
| IH-PT-NPT-MAL-0606 | -06 · 3/8" · DN10 | NPT3/8"×18 | 19 | 30 | 16 |
| IH-PT-NPT-MAL-0608 | -06 · 3/8" · DN10 | NPT1/2"×14 | 22 | 34.5 | 19.5 |
| IH-PT-NPT-MAL-0806 | -08 · 1/2" · DN12 | NPT3/8"×18 | 19 | 30.5 | 16 |
| IH-PT-NPT-MAL-0808 | -08 · 1/2" · DN12 | NPT1/2"×14 | 22 | 34.5 | 19.5 |
| IH-PT-NPT-MAL-0812 | -08 · 1/2" · DN12 | NPT3/4"×14 | 27 | 37.5 | 19.5 |
| IH-PT-NPT-MAL-1008 | -10 · 5/8" · DN16 | NPT1/2"×14 | 22 | 36 | 19.5 |
| IH-PT-NPT-MAL-1012 | -10 · 5/8" · DN16 | NPT3/4"×14 | 27 | 38 | 19.5 |
| IH-PT-NPT-MAL-1016 | -10 · 5/8" · DN16 | NPT1"×11.5 | 36 | 45 | 25.5 |
| IH-PT-NPT-MAL-1212 | -12 · 3/4" · DN20 | NPT3/4"×14 | 27 | 38.5 | 19.5 |
| IH-PT-NPT-MAL-1216 | -12 · 3/4" · DN20 | NPT1"×11.5 | 36 | 45 | 25.5 |
| IH-PT-NPT-MAL-1612 | -16 · 1" · DN25 | NPT3/4"×14 | 32 | 39.5 | 19.5 |
| IH-PT-NPT-MAL-1616 | -16 · 1" · DN25 | NPT1"×11.5 | 36 | 44.5 | 25.5 |
| IH-PT-NPT-MAL-1620 | -16 · 1" · DN25 | NPT1.1/4"×11.5 | 46 | 49.5 | 26.5 |
| IH-PT-NPT-MAL-2020 | -20 · 1.1/4" · DN32 | NPT1.1/4"×11.5 | 46 | 49 | 26.5 |
| IH-PT-NPT-MAL-2424 | -24 · 1.1/2" · DN40 | NPT1.1/2"×11.5 | 50 | 51 | 27.5 |
| IH-PT-NPT-MAL-3232 | -32 · 2" · DN50 | NPT2"×11.5 | 65 | 55 | 27.5 |
S1 — Dimension S1 on the manufacturer dimension drawing. A — Dimension A on the manufacturer dimension drawing. C — Dimension C on the manufacturer dimension drawing. Ask us for the dimension drawing if you need it stamped.
Every size is available in 316 stainless steel on request — add “-SS” to the part number when you enquire.
What thread family does this fitting use?▾
What thread sizes are available?▾
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Lead time?▾
Shipped worldwide from our Dubai warehouse. Transit, routes and documentation for 126 destinations
The same part, in the designations used across European and Gulf trade catalogues.
- de
- gerade NPT Außengewinde Schlaucharmatur
- fr
- mâle NPT embout de flexible
- es
- macho NPT racor de manguera
- it
- maschio NPT raccordo per tubo flessibile
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