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Part Number

Part Number:
NSN:
NIIN:
Item Name:
RING , RETAINING

Definition:

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.

CAGE Information

Code Company
05047 AMERICAN SOCIETY OF MECHANICAL ENGIN

Federal Supply Class

Title

FASTENING DEVICES

Inclusions:

INCLUDES EYELETS; GROMMETS; AIRCRAFT COWLING FASTENERS; TEXTILE FASTENERS; RETAINING RINGS; THREADED INSERTS.

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ALBY USAGE DESIGN EXTERNAL
ABMC MAJOR THICKNESS 0.015 INCHES NOMINAL
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
MATL MATERIAL BERYLLIUM COPPER, QQ-C-533
AARX INSIDE DIAMETER 0.168 INCHES NOMINAL
ALME MATERIAL HARDNESS RATING 77.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 82.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
ACXD RING STYLE EXTERNAL BOWED
SURF SURFACE TREATMENT CADMIUM PLATED
AWQD STRENGTH RATING NOT RATED
AASG CASEHARDENING INDICATOR NOT CASEHARDENED
AWQF END PLAY TAKEUP 0.015 INCHES MAXIMUM

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