NW Spring Plungers
NW spring plungers—often called detent plungers—are spring-loaded components used to create a repeatable detent, indexing point, or light holding force in fixtures and mechanical assemblies (application dependent). They’re commonly used to position adjustable parts, provide “click-stop” engagement, and maintain consistent contact in guards, covers, slides, and modular workholding setups. Because the feel and retention depend on spring force and tip geometry, spring plungers are typically selected by specification rather than by general description.
NORTHWESTERN TOOLS 33510 Stainless Steel Plungers - Standard Lengths - Light Pressures - With Lock. Element - Stainless Nose, End Force: 2.7 Initial x 6.0 Half x 9.3 Full
SKU: NW-33510
MPN: 33510
NORTHWESTERN TOOLS 33510P Stainless Steel Plungers - Standard Lengths - Light Pressures - Without Lock. Element - Stainless Nose, End Force: 2.7 Initial x 6.0 Half x 9.3 Full
SKU: NW-33510P
MPN: 33510P
NORTHWESTERN TOOLS 33520 Stainless Steel Plungers - Short Lengths - Light Pressures - With Lock. Element - Stainless Nose, End Force: 0.5 Initial x 1.0 Half x 1.5 Full
SKU: NW-33520
MPN: 33520
NORTHWESTERN TOOLS 33520H Hex Drive "Short" Stainless Steel Spring Plungers - End Force: 0.5 Initial x 1.5 Final
SKU: NW-33520H
MPN: 33520H
NORTHWESTERN TOOLS 33520HP Hex Drive "Short" Stainless Steel Spring Plungers - End Force: 0.5 Initial x 1.5 Final
SKU: NW-33520HP
MPN: 33520HP
NORTHWESTERN TOOLS 33520P Stainless Steel Plungers - Short Lengths - Light Pressures - Without Lock. Element - Stainless Nose, End Force: 0.5 Initial x 1.0 Half x 1.5 Full
SKU: NW-33520P
MPN: 33520P
NORTHWESTERN TOOLS 33521 Stainless Steel Plungers - Short Lengths - Light Pressures - With Lock. Element - Stainless Nose, End Force: 0.5 Initial x 1.0 Half x 1.5 Full
SKU: NW-33521
MPN: 33521
NORTHWESTERN TOOLS 33521H Hex Drive "Short" Stainless Steel Spring Plungers - End Force: 0.5 Initial x 1.5 Final
SKU: NW-33521H
MPN: 33521H
NORTHWESTERN TOOLS 33521HP Hex Drive "Short" Stainless Steel Spring Plungers - End Force: 0.5 Initial x 1.5 Final
SKU: NW-33521HP
MPN: 33521HP
NORTHWESTERN TOOLS 33521P Stainless Steel Plungers - Short Lengths - Light Pressures - Without Lock. Element - Stainless Nose, End Force: 0.5 Initial x 1.0 Half x 1.5 Full
SKU: NW-33521P
MPN: 33521P
NORTHWESTERN TOOLS 33522 Stainless Steel Plungers - Short Lengths - Light Pressures - With Lock. Element - Stainless Nose, End Force: 0.75 Initial x 1.62 Half x 2.5 Full
SKU: NW-33522
MPN: 33522
NORTHWESTERN TOOLS 33522H Hex Drive "Short" Stainless Steel Spring Plungers - End Force: 0.75 Initial x 2.5 Final
SKU: NW-33522H
MPN: 33522H
NORTHWESTERN TOOLS 33522HP Hex Drive "Short" Stainless Steel Spring Plungers - End Force: 0.75 Initial x 2.5 Final
SKU: NW-33522HP
MPN: 33522HP
NORTHWESTERN TOOLS 33522P Stainless Steel Plungers - Short Lengths - Light Pressures - Without Lock. Element - Stainless Nose, End Force: 0.75 Initial x 1.62 Half x 2.5 Full
SKU: NW-33522P
MPN: 33522P
NORTHWESTERN TOOLS 33523 Stainless Steel Plungers - Short Lengths - Light Pressures - With Lock. Element - Stainless Nose, End Force: 1.0 Initial x 2.25 Half x 3.5 Full
SKU: NW-33523
MPN: 33523
NORTHWESTERN TOOLS 33523H Hex Drive "Short" Stainless Steel Spring Plungers - End Force: 1.0 Initial x 3.5 Final
SKU: NW-33523H
MPN: 33523H
NORTHWESTERN TOOLS 33523HP Hex Drive "Short" Stainless Steel Spring Plungers - End Force: 1.0 Initial x 3.5 Final
SKU: NW-33523HP
MPN: 33523HP
NORTHWESTERN TOOLS 33523P Stainless Steel Plungers - Short Lengths - Light Pressures - Without Lock. Element - Stainless Nose, End Force: 1.0 Initial x 2.25 Half x 3.5 Full
SKU: NW-33523P
MPN: 33523P
NORTHWESTERN TOOLS 33524 Stainless Steel Plungers - Short Lengths - Light Pressures - With Lock. Element - Stainless Nose, End Force: 1.5 Initial x 2.75 Half x 4.0 Full
SKU: NW-33524
MPN: 33524
NORTHWESTERN TOOLS 33524H Hex Drive "Short" Stainless Steel Spring Plungers - End Force: 1.5 Initial x 4.0 Final
SKU: NW-33524H
MPN: 33524H
NORTHWESTERN TOOLS 33524HP Hex Drive "Short" Stainless Steel Spring Plungers - End Force: 1.5 Initial x 4.0 Final
SKU: NW-33524HP
MPN: 33524HP
NORTHWESTERN TOOLS 33524P Stainless Steel Plungers - Short Lengths - Light Pressures - Without Lock. Element - Stainless Nose, End Force: 1.5 Initial x 2.75 Half x 4.0 Full
SKU: NW-33524P
MPN: 33524P
NORTHWESTERN TOOLS 33525 Stainless Steel Plungers - Short Lengths - Light Pressures - With Lock. Element - Stainless Nose, End Force: 1.5 Initial x 3.25 Half x 5.0 Full
SKU: NW-33525
MPN: 33525
NORTHWESTERN TOOLS 33525H Hex Drive "Short" Stainless Steel Spring Plungers - End Force: 1.5 Initial x 5.0 Final
SKU: NW-33525H
MPN: 33525H