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National Stock Number:
5325-01-469-9953
Federal Supply Class:
5325
National Item Identification Number:
014699953
Description:
RING,RETAINING
Detail:
A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see PUSH ON NUT. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also CLIP, RETAINING and PIN, LOCK. Excludes RING, CONNECTING, ROUND.
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Manufacturer Information:
| MS3215-2050 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CASEHARDENING INDICATOR | NOT CASEHARDENED | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | INSIDE DIAMETER | 0.381 INCHES MINIMUM AND 0.389 INCHES MAXIMUM | | MAJOR THICKNESS | 0.042 INCHES NOMINAL | | MATERIAL HARDNESS RATING | 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | RING, RETAINING, EXTERNAL, "E" REINFORCED | | RING STYLE | E | | SPECIAL FEATURES | SHAFT DIAMETER .500;LARGE SECTION HEIGHT 0.212;GROOVE DIAMETER 0.396;GROOVE WIDTH 0.047;FREE OUTSIDE DIAMETER 0.810;CARBON SPRING MATERIAL,1060 THRU 1095 PER ASTM A568 OR ASTM A682;ZINC COAT PER ASTM B633, TYPE 2 CLASS FE/ZN5 OR ASTM B695 TYPE 2;USED FOR POSITIONING AND MAINTAINING MACHINE COMPONENTS ON SHAFTS;APPLIED RADIALLY TO WITHSTAND STRONG PUSH-OUT FORCES FROM HEAVY VIBRATIONS;RINGS SHALL NOT BE OVER EXPANDED DURING INSTALLATION SINCE THIS WILL LEAD TO RING FAILURE | | SURFACE TREATMENT | ZINC AND CHROMATE | | USAGE DESIGN | EXTERNAL |
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