National Item Identification Number
01-496-4840
National Stock Number
Item Name
RING,RETAINING
Federal Supply Class
5325
Description
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.
Commercial and Government Entity Code (Supplier Data)
81343
81343
Reference Numbers (Part Numbers)
MIL-R-21248
MS90708
R271NNAA0098NN119NNQA1
R271NNAA0098NN119NNQD1
Required Categories
MATERIAL
STRENGTH RATING
MATERIAL HARDNESS RATING
CASEHARDENING INDICATOR
RI
Required Description
STEEL
1250.0 POUNDS PER SQUARE INCH MINIMUM TENSILE
44.500 ROCKWELL C NOMINAL;