Plungers - Spring - Pull Ring - Locking - Stainless-Acetal

3 Products in this selection
  • Stainless body with acetal nose
  • Items shown with Long-Lok have a dry threadlocking sealant applied to thread.
Miniature Bearings Australia (Minibearings)

Additional resources:
Threaded Ball Plungers
Push Fit Ball Plungers
A more concise listing may be found on the Smallparts store at Plungers - Spring - Pull Ring - Locking - Stainless-Acetal. Smallparts promote the most popular MBA products.
Thread Size (A) Thread Length (B) Initial Pressure (F1) Final Pressure (F2) Pin Diameter (F) Pin Length (C) Indicative
Image
Thread Size (A)
1/4-20 UNC (6.35mm)
Thread Length (B)
30.2
mm

(1.189 in.)
Initial Pressure (F1)
4.5
N
Final Pressure (F2)
11.1
N
Pin Diameter (F)
4.0
mm
Pin Length (C)
6.4
mm
Spring Plungers - 1/4-20 UNC -6.35mm- 30.2 mm - 4.5 N - Stainless Steel Body with Acetal
Material: Stainless Steel Body with Acetal    Overall Length (G): 28.6    Pull Ring Diameter (B): 25.4   
Part Number: PLST-064C-302-RASL-011 (250 Pcs) Spring Plungers - 1/4-20 UNC - 6.35mm - 30.2 mm - 4.5 N Pull Ring - Stainless Steel Body with Acetal
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 19, 2025
$15,817.86 AUD
$15,817.86 AUD
Per 250
Thread Size (A) Thread Length (B) Initial Pressure (F1) Final Pressure (F2) Indicative
Image
Thread Size (A)
1/4-20 UNC (6.35mm)
Thread Length (B)
30.2
mm

(1.189 in.)
Initial Pressure (F1)
4.5
N
Final Pressure (F2)
11.1
N
Spring Plungers - 1/4-20 UNC -6.35mm- 30.2 mm - 4.5 N - Stainless Steel Body with Acetal
Material: Stainless Steel Body with Acetal    Pin Diameter (F): 4.0 mm    Pin Length (C): 6.4 mm    Overall Length (G): 28.6    Pull Ring Diameter (B): 25.4   
Part Number: PLST-064C-302-RASL-011 (250 Pcs) Spring Plungers - 1/4-20 UNC - 6.35mm - 30.2 mm - 4.5 N Pull Ring - Stainless Steel Body with Acetal
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 19, 2025
$15,817.86 AUD
$15,817.86 AUD
Per 250
View the product page first if you are unsure.
Thread Size (A)
3/8-16 UNC (9.53mm)
Thread Length (B)
31.8
mm

(1.252 in.)
Initial Pressure (F1)
8.9
N
Final Pressure (F2)
17.8
N
Pin Diameter (F)
6.4
mm
Pin Length (C)
9.5
mm
Spring Plungers - 3/8-16 UNC -9.53mm- 31.8 mm - 8.9 N - Stainless Steel Body with Acetal
Material: Stainless Steel Body with Acetal    Overall Length (G): 42.9    Pull Ring Diameter (B): 31.8   
Part Number: PLST-095C-318-RASL-018 Spring Plungers - 3/8-16 UNC - 9.53mm - 31.8 mm - 8.9 N Pull Ring - Stainless Steel Body with Acetal
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 19, 2025
$75.05 AUD
$75.05 AUD
Each
Thread Size (A)
3/8-16 UNC (9.53mm)
Thread Length (B)
31.8
mm

(1.252 in.)
Initial Pressure (F1)
8.9
N
Final Pressure (F2)
17.8
N
Spring Plungers - 3/8-16 UNC -9.53mm- 31.8 mm - 8.9 N - Stainless Steel Body with Acetal
Material: Stainless Steel Body with Acetal    Pin Diameter (F): 6.4 mm    Pin Length (C): 9.5 mm    Overall Length (G): 42.9    Pull Ring Diameter (B): 31.8   
Part Number: PLST-095C-318-RASL-018 Spring Plungers - 3/8-16 UNC - 9.53mm - 31.8 mm - 8.9 N Pull Ring - Stainless Steel Body with Acetal
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 19, 2025
$75.05 AUD
$75.05 AUD
Each
View the product page first if you are unsure.
Thread Size (A)
1/2-13 UNC (12.7mm)
Thread Length (B)
36.5
mm

(1.437 in.)
Initial Pressure (F1)
11.1
N
Final Pressure (F2)
22.2
N
Pin Diameter (F)
7.9
mm
Pin Length (C)
12.7
mm
Spring Plungers - 1/2-13 UNC -12.7mm- 36.5 mm - 11.1 N - Stainless Steel Body with Acetal
Material: Stainless Steel Body with Acetal    Overall Length (G): 50.8    Pull Ring Diameter (B): 34.9   
Part Number: PLST-127C-365-RASL-022 Spring Plungers - 1/2-13 UNC - 12.7mm - 36.5 mm - 11.1 N Pull Ring - Stainless Steel Body with Acetal
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 19, 2025
$103.14 AUD
$103.14 AUD
Each
Thread Size (A)
1/2-13 UNC (12.7mm)
Thread Length (B)
36.5
mm

(1.437 in.)
Initial Pressure (F1)
11.1
N
Final Pressure (F2)
22.2
N
Spring Plungers - 1/2-13 UNC -12.7mm- 36.5 mm - 11.1 N - Stainless Steel Body with Acetal
Material: Stainless Steel Body with Acetal    Pin Diameter (F): 7.9 mm    Pin Length (C): 12.7 mm    Overall Length (G): 50.8    Pull Ring Diameter (B): 34.9   
Part Number: PLST-127C-365-RASL-022 Spring Plungers - 1/2-13 UNC - 12.7mm - 36.5 mm - 11.1 N Pull Ring - Stainless Steel Body with Acetal
Out of Stock | Backorder Now | Orders can be expected around Sat, Jul 19, 2025
$103.14 AUD
$103.14 AUD
Each
View the product page first if you are unsure.