NSN 5325-00-531-3971

Part Details | RETAINING RING

5325-00-531-3971 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: 9M188225, 9M188-225, RRT225C, RRT225CDM9, 5325-00-531-3971, 00-531-3971, 5325005313971, 005313971

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 11, 197400-531-397107623 ( RING, RETAINING )
REFERENCE DRAWINGS & PICTURES

ROUND

SPECIAL FLAT

Cross Reference | NSN 5325-00-531-3971
Part Number Cage Code Manufacturer
9M188-22576301BOEING COMPANY, THEDBA BOEING
RRT225C00000ORDNANCE CORPS
RRT225CDM980756SPIROLOX, INC.
Technical Data | NSN 5325-00-531-3971
Characteristic Specifications
STRENGTH RATING221000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE SPECIAL FLAT
CROSS-SECTIONAL SHAPE STYLE2 ROUND
USAGE DESIGN INTERNAL
MATERIAL HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM
SURFACE TREATMENT CADMIUM AND CHROMATE
INSIDE DIAMETER2.100 INCHES MINIMUM AND 2.135 INCHES MAXIMUM
OUTSIDE DIAMETER2.386 INCHES MINIMUM AND 2.411 INCHES MAXIMUM
MAJOR THICKNESS0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM