NSN 5325-01-331-6407

Part Details | RETAINING RING

5325-01-331-6407 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.

Alternate Parts: M2742620161D, MILDTL27426, MIL-DTL-27426, RSN387S, RSN-387-S, WSM387S02, WSM-387-S02, RSN387S, RSN-387-S, 5325-01-331-6407, 01-331-6407, 5325013316407, 013316407

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 21, 199001-331-640707623 ( RING, RETAINING )
REFERENCE DRAWINGS & PICTURES

ROUND

SPIRAL

Cross Reference | NSN 5325-01-331-6407
Part Number Cage Code Manufacturer
M2742620161D81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-DTL-2742681349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
RSN-387-S34712OLDENBURG GROUP INCORPORATEDDBA OLDENBURG - LAKE SHORE
WSM-387-S0251814SMALLEY STEEL RING CO.
RSN-387-S80756SPIROLOX, INC.
Technical Data | NSN 5325-01-331-6407
Characteristic Specifications
MATERIAL STEEL COMP 302
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE SPIRAL
CROSS-SECTIONAL SHAPE STYLE2 ROUND
USAGE DESIGN EXTERNAL
MATERIAL HARDNESS RATINGRCB40.0 ROCKWELL C MAXIMUM AND 51.5 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059, TYPE 302 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT PASSIVATE
INSIDE DIAMETER3.730 INCHES MINIMUM AND 3.765 INCHES MAXIMUM
OUTSIDE DIAMETER0.269 INCHES NOMINAL
MAJOR THICKNESS0.108 INCHES MINIMUM AND 0.114 INCHES MAXIMUM