Retaining Rings - External - Spiral Rings - Medium-Heavy - Stainless Steel

Retaining Rings -> External -> Spiral Rings -> Medium-Heavy -> Stainless Steel

There is only 1 product in the sub-categories of Retaining Rings - External - Spiral Rings - Medium-Heavy - Stainless Steel. Browse the Retaining Rings - External - Spiral Rings - Medium-Heavy - Stainless Steel products table.

Category Details

A selection of Stainless Steel Medium-Heavy Spiral Rings External Retaining Rings. AME / WST / RST - Stainless Steel.

  • An expanded range may be available on special order. Please enquire.
  • Originally designed to fit NAS50-51 grooves, this series is a popular OEM specification.
  • This two/three turn design is easier to install than the heavy duty RRN option.
  • Equivalent to Associated Spring: AME, Smalley: WST, Spirolox and Ramsey: RST

Small Parts & Bearings

Additional resources:


A more comprehensive listing may be found in the Retaining Rings - External - Spiral Rings - Medium-Heavy - Stainless Steel category on the MBA Minibearings main store.
Shaft Diameter (Ds) Clip Thickness (T) Groove Dia. (Dg) Approx. Loose Circlip ID (A) Radial Wall (S) Approx. Groove Width (W) Indicative
Image
External Retaining Rings - 19.05x1.07x18.16 mm Spiral Rings - Stainless Steel 302/304 Similar to A2, 18-8 Spiral Ring
Shaft Diameter (Ds)
19.05
mm

(Equiv. 0.75 in.)
Clip Thickness (T)
1.07
mm
+/- 0.05
(Equiv. 0.042 in.)
Groove Dia. (Dg)
18.16
mm

(Equiv. 0.715 in.)
Approx. Loose Circlip ID (A)
17.91
mm
+ 0.00 / - 0.33
Radial Wall (S) Approx.
1.65
mm
+/- 0.10
Groove Width (W)
1.21
mm
+/- 0.08
External Retaining Rings - 19.05x1.07x18.16 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Approx. Loose Clip OD: 21.21 +/- 0.04   Groove Depth (d): 0.46   
Additional stock available from USA subject to Prior Sale = 505
Part Number: RST-075-S02 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 25, 2026
$139.14 AUD
$139.14 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Shaft Diameter (Ds) Clip Thickness (T) Groove Dia. (Dg) Approx. Loose Circlip ID (A) Indicative
Image
External Retaining Rings - 19.05x1.07x18.16 mm Spiral Rings - Stainless Steel 302/304 Similar to A2, 18-8 Spiral Ring
Shaft Diameter (Ds)
19.05
mm

(Equiv. 0.75 in.)
Clip Thickness (T)
1.07
mm
+/- 0.05
(Equiv. 0.042 in.)
Groove Dia. (Dg)
18.16
mm

(Equiv. 0.715 in.)
Approx. Loose Circlip ID (A)
17.91
mm
+ 0.00 / - 0.33
External Retaining Rings - 19.05x1.07x18.16 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Radial Wall (S) Approx.: 1.65 mm +/- 0.10    Groove Width (W): 1.21 mm +/- 0.08   Approx. Loose Clip OD: 21.21 +/- 0.04   Groove Depth (d): 0.46   
Additional stock available from USA subject to Prior Sale = 505
Part Number: RST-075-S02 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 25, 2026
$139.14 AUD
$139.14 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.