NSN 5325-01-186-1789

Part Details | RETAINING RING

5325-01-186-1789 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: M2742640119A, MILDTL27426, MIL-DTL-27426, WHM137, WHM-137, RRN137, RRN-137, J916, J-9-1-6, 5325-01-186-1789, 01-186-1789, 5325011861789, 011861789

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 08, 198401-186-178907623 ( RING, RETAINING )
REFERENCE DRAWINGS & PICTURES

ROUND

SPECIAL FLAT

Cross Reference | NSN 5325-01-186-1789
Part Number Cage Code Manufacturer
M2742640119A81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-DTL-2742681349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
WHM-13751814SMALLEY STEEL RING CO.
RRN-13780756SPIROLOX, INC.
J-9-1-6D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 5325-01-186-1789
Characteristic Specifications
MATERIAL5$DST1085
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
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-46049, COMP 1075 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-46049, COMP 1085 MIL SPEC 2ND MATERIAL RESPONSE
INSIDE DIAMETER1.240 INCHES MINIMUM AND 1.245 INCHES MAXIMUM
OUTSIDE DIAMETER1.471 INCHES MINIMUM AND 1.484 INCHES MAXIMUM
MAJOR THICKNESS0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM