1.1 This specification covers the procurement requirements for solid ferrous needle bearing rollers including the MS19065 spherical ended solid ferrous needle rollers as specified in Specification F2443.

1.2Intended Use-The rollers covered in this specification are intended for use in bearings and bearing applications.

1.3This specification contains many of the requirements of MIL-R-22440, which was originally developed by the Department of Defense and maintained by the Defense Supply Center in Richmond. The following government activity codes may be found in the Department of Defense, Standardization Directory SD-1.²

Preparing Activity	Custodians	Review Activities
DLA-GS4	Army-AT	Army-CR4
	Navy-OS	Air Force-84
	Air Force-99
	DLA-GS4

1.4The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.