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The United States Military Specification referred to as MIL-L-63460, "Military Specification, Lubricant, Cleaner and Preservative for Weapons and Weapons Systems" (superseded by "MIL-PRF-63460, Performance Specification Lubricant, Cleaner And Preservative For Weapons And Weapons Systems" on August 5, 1985) covers a type of cleaner, lubricant, and preservative used for weapons and weapons systems.

Scope of the Standard

The military specification MIL-L-63460 describes the performance requirements and verification methods for a type of Lubricant, Cleaner and Preservative for Weapons and Weapons Systems. The product is for use in cleaning, lubricating and short-term preservation of both small and large caliber military weapons, operating in the temperature range of -51 to + 71 °C (-60 to +160 °F).


This lubricant is identified by its U. S. Military acronym CLP and its NATO code number S-758.


CLP is a highly penetrating, mobile liquid and is intended for field application to satisfy the complete need of cleaning, lubricating, and short term preservation of military weapons. CLP facilitates the effective removal of firing residues, gums, and other contaminants from weapon components while providing lubrication and short term preservation for reliable weapons operation. CLP may be used in lieu of MIL-PRF-372, MIL-PRF-3150,MIL-PRF-14107, and MIL-L-46000 where authorized by the applicable weapons manual or lubrication order.

Lead Standardization Agency

The military standard MIL-PRF-63460 is issued and maintained by the Defense Supply Center (Richmond, VA) who is chartered under the Defense Standardization Program (DSP) with maintaining the functional expertise and serving as the DoD-wide technical focal point for the standard. The current document revision (2009) is Revision E, Amendment 1 (i.e. MIL-PRF-63430E w/ Amendment 1) which was issued on May 15, 2008. It superseded Revision D (i.e. MIL-PRF-63430D) released on August 5, 1985 that in turn superseded Revision C (i.e., MIL-L-63460C) which was last updated on November 16, 1980. NOTE: A limited coordination military specification was prepared prior to a coordinated revision of MIL-L-63460, and it was referred to as MIL-L-006346C; this document was dated June 24, 1983.

References and external links