ABS Backnut Threaded F
Useful Information
Technical Specification
- Material: Acrylonitrile butadiene styrene (ABS)
- Colour: Light grey
- Size range: 1/2 inch to 4 inch
- Connection type: Female BSP threaded backnut
- Thread type: BSP female thread
- Approvals: BSI Kitemark KM60042
- Temperature range: -40°C to 60°C
- Standards: BS 5392, BS 5391, EN 10226 1, DIN 2999, DIN DVS 2204 3
- Chemical resistance: Resistant to diluted inorganic acids, salts, oils, fats and organic acids, not suitable for alcohol, petrol, organic solvents or vegetable oils
- Applications: Securing threaded fittings, clamping tank connectors, and locking components in ABS threaded assemblies
Description
This ABS female threaded backnut is designed to fasten, secure and lock BSP threaded fittings in place within an ABS pipeline or tank installation. Commonly used with tank connectors, threaded adaptors and panel mounted components, the backnut tightens from the opposing side to provide a firm and reliable hold. Manufactured from strong, lightweight ABS, it offers excellent impact resistance and stable dimensional performance, making it suitable for industrial and process environments where corrosion free fittings are essential. The BSP female thread ensures compatibility with a wide range of ABS and metal components, providing a simple, reusable method of securing threaded assemblies.
Key Features & Benefits
- Provides secure fastening: Locks threaded fittings firmly in place from the rear side
- Reusable mechanical joint: Can be tightened or removed without damaging pipework
- Durable ABS construction: Lightweight, rigid and resistant to impact and moisture
- Chemical tolerant: Suitable for many diluted chemicals and industrial fluids
- Kitemark approved: Verified for manufacturing consistency and reliability
- Versatile across systems: Ideal for tank connectors, panel fittings and threaded assemblies
- Easy installation: Tightens by hand or spanner for a dependable hold

| Product Code | Diameter (inch) | E (mm) | H (mm) | O (mm) |
| 353180 | 1/2 | 28 | 13 | 38 |
| 353181 | 3/4 | 33 | 14 | 43 |
| 353182 | 1 | 46 | 16 | 56 |
| 353183 | 1 1/4 | 50 | 18 | 65 |
| 353184 | 1 1/2 | 60 | 19 | 72 |
| 353185 | 2 | 80 | 21 | 94 |
| 353186 | 2 1/2 | 95 | 23 | 105 |
| 353187 | 3 | 110 | 27 | 125 |
| 353188 | 4 | 140 | 31 | 154 |
