BSP Male Flat Seal Hose Fitting
BSP Male Flat Seal — flat face with an O-ring, seating against a flat mating face, in 12 sizes from -04.
Key features
- Fitting Configuration: straight
- Thread Form: G1"×11 to G5/8"×14
- Sealing Form: Flat face with an O-ring, seating against a flat mating face
- Nominal Size Range: -04 to -20
- Fitting Configuration
- straight
- Thread Form
- G1"×11 to G5/8"×14
- Sealing Form
- Flat face with an O-ring, seating against a flat mating face
- Nominal Size Range
- -04 to -20
Product description
The BSP Male Flat Seal Hose Fitting is a hydraulic hose fitting with flat face with an O-ring, seating against a flat mating face.
We already sell this form in 316 stainless. This is the carbon-steel half of the same range.
Construction
- Configuration: straight
- Thread: G1"×11 to G5/8"×14
- Sealing form: Flat face with an O-ring, seating against a flat mating face
- Gender: male
- Material: carbon steel, zinc-plated and Cr3+ passivated (316 stainless on request)
Sizes
12 sizes, hose bore -04 to -20, threads G1"×11 to G5/8"×14. The full size and dimension table is on this page.
How to order
Quote the Indus part number for the size you need. Tell us the hose grade and bore and we will include the matching crimp ferrule — the ferrule follows the hose, not the fitting. Indus crimps and pressure-tests assemblies before dispatch.
Identification
| Parameter | Value |
|---|---|
| Fitting Configuration | straight |
| Thread Form | G1"×11 to G5/8"×14 |
| Sealing Form | Flat face with an O-ring, seating against a flat mating face |
| Thread Gender | male |
Dimensions
| Parameter | Value |
|---|---|
| Nominal Size Range | -04 to -20 |
Construction
| Parameter | Value |
|---|---|
| Material | Carbon steel (316 stainless on request) |
| Surface Treatment | Zinc-plated, Cr3+ passivated, RoHS-compliant |
Compliance
| Parameter | Value |
|---|---|
| Applicable Standards | BSP parallel thread to ISO 228-1 |
Shipping & lead time
Sizes & part numbers
12 sizes| Indus part no. | Hose bore | Size | S1 (mm) | A (mm) | C (mm) | O-ring |
|---|---|---|---|---|---|---|
| IH-BSP-MAL-FLAT-0408 | -04 · 1/4" · DN6 | G1/2"×14 | 27 | 33.5 | 14 | 115 |
| IH-BSP-MAL-FLAT-0404 | -04 · 1/4" · DN6 | G1/4"×19 | 19 | 23.5 | 11 | 111 |
| IH-BSP-MAL-FLAT-0608 | -06 · 3/8" · DN10 | G1/2"×14 | 27 | 33.5 | 14 | 115 |
| IH-BSP-MAL-FLAT-0604 | -06 · 3/8" · DN10 | G1/4"×19 | 19 | 23.5 | 11 | 111 |
| IH-BSP-MAL-FLAT-0606 | -06 · 3/8" · DN10 | G3/8"×19 | 22 | 26.5 | 12 | 113 |
| IH-BSP-MAL-FLAT-0808 | -08 · 1/2" · DN12 | G1/2"×14 | 27 | 34 | 14 | 115 |
| IH-BSP-MAL-FLAT-1012 | -10 · 5/8" · DN16 | G3/4"×14 | 32 | 33.5 | 15.5 | 119 |
| IH-BSP-MAL-FLAT-1010 | -10 · 5/8" · DN16 | G5/8"×14 | 30 | 36 | 15.5 | 910 |
| IH-BSP-MAL-FLAT-1212 | -12 · 3/4" · DN20 | G3/4"×14 | 32 | 38 | 15.5 | 119 |
| IH-BSP-MAL-FLAT-1616 | -16 · 1" · DN25 | G1"×11 | 41 | 44.5 | 18.5 | 217 |
| IH-BSP-MAL-FLAT-1612 | -16 · 1" · DN25 | G3/4"×14 | 32 | 36 | 15.5 | 119 |
| IH-BSP-MAL-FLAT-2020 | -20 · 1.1/4" · DN32 | G1.1/4"×11 | 50 | 46 | 20 | 222 |
S1 — Dimension S1 on the manufacturer dimension drawing. A — Dimension A on the manufacturer dimension drawing. C — Dimension C on the manufacturer dimension drawing. O-ring — O-ring size supplied with the fitting, as inside diameter × section. 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 is the sealing form?▾
What sizes are available?▾
What is the maximum working pressure?▾
Which ferrule pairs with this fitting?▾
Is stainless steel available?▾
Can Indus crimp the assembly?▾
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 BSP Außengewinde mit O-Ring flachdichtend Schlaucharmatur
- fr
- mâle BSP siège plat avec joint torique embout de flexible
- es
- macho BSP con junta tórica asiento plano racor de manguera
- it
- maschio BSP sede piana con O-ring raccordo per tubo flessibile
From the blog
Written about this range
Thread & fitting identification
Measuring a fitting without gauges: what you can establish in the field
No seat gauge, no pitch gauge, a machine down and a phone with two bars. What a caliper and a known bolt will actually tell you, and what to send.
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Thread & fitting identification
BSPP vs BSPT: why a parallel thread needs a seal and a tapered one does not
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