5970-01-509-3125 INSULATOR,WASHER Index 5325-01-509-3127 RING,RETAINING

National Stock Number:
5325-01-509-3126

Federal Supply Class:
5325

National Item Identification Number:
015093126

Description:
RING,RETAINING

Detail:
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.


Manufacturer Information:
M27426-3133D81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CASEHARDENING INDICATORNOT CASEHARDENED
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
INSIDE DIAMETER1.375 INCHES NOMINAL
MAJOR THICKNESS0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM
OUTSIDE DIAMETER1.442 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059, TYPE 302 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATING72.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 74.9 ROCKWELL SUPERFICIAL 30-N MAXIMUM
MATERIALSTEEL COMP 302
RING STYLESPECIAL FLAT
SURFACE TREATMENTPASSIVATE
USAGE DESIGNINTERNAL


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