National Item Identification Number
01-309-7250
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)
05047
AMERICAN SOCIETY OF MECHANICAL
ENGINEERS THE INC
3 PARK AVE FL 21
NEW YORK
NY
10016
800-843-2763
NSN (National Stock Number) 5325-01-309-7250, 5325013097250 NIIN (National Identification Number) 01-309-7250, 013097250
Part Numbers (Reference Numbers)
MS16624-5025
R271NAA0025NN643NNAA1
Required Categories
MATERIAL
STRENGTH RATING
MATERIAL HARDNESS RATING
CASEHARDENING INDICATOR
RI
Required Description
BERYLLIUM COPPER, QQ-C-533
NOT RATED
56.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AN