Spring Type Spring Type |
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 | Compression |
Spring Rate Spring Rate |
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Material Material | Show |
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Material Material | Hide |
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Compressed Length @ Maximum Load Compressed Length@ Maximum Load |
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End Type End Type |
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 | Open |
Maximum Temperature Maximum Temperature |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Thickness Thickness |
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For Ball Diameter For Ball Diameter |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Washers
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Plastic Compression Springs
A lightweight, nonmagnetic, and nonconductive alternative to metal springs, these plastic springs are better for corrosive environments and applications where metal springs cannot be used, such as in sensitive imaging equipment and machines where stray electrical current may cause damage.
As you squeeze a compression spring, it pushes back to return to its original length. Spring rate is the amount of force required for every inch of compression. The higher the spring rate, the harder it is to compress the spring.
For technical drawings and 3-D models, click on a part number.
Wire | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OD | ID | Wd. | Thick. | Compressed Lg. @ Max. Load | Max. Load, lbs. | Spring Rate, lbs./in. | Color | Material | End Type | Max. Temperature, °F | Each | |
0.375" Lg. | ||||||||||||
| 0.35" | 0.186" | 0.082" | 0.03" | 0.11" | 0.99 | 3.7 | Red | Ultem PEI Plastic | Open | 340° | 00000000 | 000000 |
| 0.35" | 0.186" | 0.082" | 0.03" | 0.11" | 1.63 | 6.11 | Yellow | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
0.5" Lg. | ||||||||||||
| 0.35" | 0.186" | 0.082" | 0.03" | 0.13" | 0.99 | 2.65 | Red | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.35" | 0.186" | 0.082" | 0.03" | 0.13" | 1.63 | 4.37 | Yellow | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.485" | 0.261" | 0.112" | 0.042" | 0.15" | 1.9 | 5.4 | Red | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.485" | 0.261" | 0.112" | 0.042" | 0.15" | 3.14 | 8.91 | Yellow | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.485" | 0.261" | 0.112" | 0.042" | 0.15" | 3.92 | 11.12 | Purple | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
0.75" Lg. | ||||||||||||
| 0.47" | 0.246" | 0.112" | 0.042" | 0.19" | 1.98 | 3.56 | Red | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.47" | 0.246" | 0.112" | 0.042" | 0.19" | 3.27 | 5.88 | Yellow | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.47" | 0.246" | 0.112" | 0.042" | 0.19" | 4.09 | 7.33 | Purple | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.72" | 0.376" | 0.172" | 0.062" | 0.22" | 4.34 | 8.18 | Red | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.72" | 0.376" | 0.172" | 0.062" | 0.22" | 7.16 | 13.51 | Yellow | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.72" | 0.376" | 0.172" | 0.062" | 0.22" | 8.94 | 16.85 | Purple | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
1" Lg. | ||||||||||||
| 0.72" | 0.376" | 0.172" | 0.062" | 0.26" | 4.34 | 5.85 | Red | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.72" | 0.376" | 0.172" | 0.062" | 0.26" | 7.16 | 9.65 | Yellow | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.72" | 0.376" | 0.172" | 0.062" | 0.26" | 8.94 | 12.04 | Purple | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.965" | 0.505" | 0.23" | 0.085" | 0.3" | 8.13 | 11.64 | Red | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.965" | 0.505" | 0.23" | 0.085" | 0.3" | 13.43 | 19.23 | Yellow | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.965" | 0.505" | 0.23" | 0.085" | 0.3" | 16.75 | 23.98 | Purple | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
1.25" Lg. | ||||||||||||
| 0.965" | 0.505" | 0.23" | 0.085" | 0.34" | 8.13 | 8.95 | Red | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.965" | 0.505" | 0.23" | 0.085" | 0.34" | 13.43 | 14.77 | Yellow | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
| 0.965" | 0.505" | 0.23" | 0.085" | 0.34" | 16.75 | 18.43 | Purple | Ultem PEI Plastic | Open | 340° | 00000000 | 00000 |
Snap-On Ball Socket End Fittings for Gas Springs
These end fittings snap right on a ball stud—an integral retaining clip grips the ball stud for secure attachment until you apply enough force to pop it off. Thread these ball socket end fittings onto gas springs. They rotate in any direction on a ball stud to compensate for misalignment. End fittings require a ball stud or ball stud mounting bracket (sold separately) to mount gas springs.
Select end fittings with a thread size that matches the rod and end thread sizes of your gas spring. The fittings will increase your gas spring's extended and compressed lengths, so add the Length 1 value for each fitting you attach.
Glass-filled nylon fittings reduce noise and vibration, are lightweight, and resist chemicals better than steel fittings do. They’re not as strong as steel fittings, however, so they’re typically used in lighter duty applications.
For technical drawings and 3-D models, click on a part number.
Quick-Release Snap-On Ball Socket End Fittings for Gas Springs
Lift the clip on these end fittings to secure and release attachment to your ball stud. Thread these ball socket end fittings onto gas springs. They rotate in any direction on a ball stud to compensate for misalignment. End fittings require a ball stud or ball stud mounting bracket (sold separately) to mount gas springs.
Select end fittings with a thread size that matches the rod and end thread sizes of your gas spring. The fittings will increase your gas spring's extended and compressed lengths, so add the Length 1 value for each fitting you attach.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Thread Pitch, mm | ID, mm | For Ball Dia., mm | Lg. 1 | Lg. 2 | Wd. | Gender | Color | Material | Each | |
| M6 | 1 | 10 | 10 | 0.71" | 0.41" | 0.67" | Female | Black | Glass-Filled Nylon | 0000000 | 00000 |
Nonsparking Eyelet End Fittings for Gas Springs
Good for use around flammable materials, these end fittings are made of nylon, which doesn't generate sparks. Thread these eyelet end fittings onto gas springs. They require an eyelet mounting bracket (sold separately) or a pin (not included) to mount the gas spring.
Select end fittings with a thread size that matches the rod and end thread sizes of your gas spring. The fittings will increase your gas spring's extended and compressed lengths, so add the Length 1 value for each fitting you attach.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Thread Pitch, mm | ID | Lg. 1 | Lg. 2 | Thick. | Material | Gender | Each | |
| M6 | 1 | 0.32" | 0.83" | 0.43" | 0.39" | Nylon | Female | 0000000 | 00000 |
Spring Lock Washers for Plastic Screws
Designed for use with plastic screws, these acetal washers are good electrical insulators. They are excellent for use under water and in rotating assemblies. Their slightly cupped shape gives them spring-like flexibility to grip joints tighter than split and tooth lock washers.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size | ID | OD | Thick. | Overall Ht. | Min. | Max. | Hardness | Color | Pkg. Qty. | Pkg. | |
Acetal Plastic | |||||||||||
| No. 6, M3.5 | 0.152" | 0.316" | 0.022"-0.032" | 0.045" | -40° | 212° | Rockwell M80 | White | 100 | 0000000 | 00000 |
| No. 8, M4 | 0.173" | 0.297" | 0.023"-0.033" | 0.046" | -40° | 212° | Rockwell M80 | White | 100 | 0000000 | 0000 |
| No. 10, M5 | 0.204" | 0.365" | 0.025"-0.035" | 0.053" | -40° | 212° | Rockwell M80 | White | 100 | 0000000 | 0000 |
| No. 10, M5 | 0.235" | 0.416" | 0.030"-0.040" | 0.062" | -40° | 212° | Rockwell M80 | White | 100 | 0000000 | 0000 |
| 1/4", M6 | 0.264" | 0.564" | 0.033"-0.043" | 0.066" | -40° | 212° | Rockwell M80 | White | 100 | 0000000 | 00000 |
| 1/4", M6 | 0.276" | 0.448" | 0.030"-0.040" | 0.062" | -40° | 212° | Rockwell M80 | White | 100 | 0000000 | 00000 |
| 5/16", M8 | 0.328" | 0.660" | 0.043"-0.053" | 0.080" | -40° | 212° | Rockwell M80 | White | 100 | 0000000 | 00000 |
| 3/8", M10 | 0.451" | 0.848" | 0.034"-0.044" | 0.080" | -40° | 212° | Rockwell M80 | White | 25 | 0000000 | 00000 |
| 3/8", M10 | 0.451" | 0.848" | 0.050"-0.060" | 0.095" | -40° | 212° | Rockwell M80 | White | 25 | 0000000 | 0000 |