Specification Brand : Carr Lane Manufacturing BulletPoint1 : A: 5/16-18 BulletPoint2 : Initial End Force: 3.75 BulletPoint3 : Final End Force: 15.5 BulletPoint4 : B: 9/16 BulletPoint5 : C: .084 ItemName : CL-51-SPN-1 Carr Lane Manufacturing Short Spring Plunger, Delrin Nose, Heavy Force: Thread 5/16-18 ItemTypeKeyword : ball-nose-spring-plunger Manufacturer : Carr Lane Manufacturing Material : stainless_steel NationalStockNumber : 5340-01-369-0746 PartNumber : CL-51-SPN-1 ProductDescription : Compact, short-stroke version of our standard Spring Plungers. Self-contained plunger-and-spring device available in many sizes and forces. Locking element holds the unit securely in place after installation. Install and/or adjust from either end (when using the slot at the plunger end, install with a Plunger Wrench to avoid over-compressing the spring). Available in steel, with a hardened plunger nose, or stainless steel. Made in USA. ProductSiteLaunchDate : 2013-11-16T15:48:00.954Z UnspscCode : 40141700