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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
77294 PIPER AIRCRAFT INC.

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
ALME MATERIAL HARDNESS RATING 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
SURF SURFACE TREATMENT PASSIVATED, QQ-P-35
ABKV OUTSIDE DIAMETER 2.185 INCHES MINIMUM AND 2.245 INCHES MAXIMUM
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
ABMC MAJOR THICKNESS 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM
AWQD STRENGTH RATING NOT RATED
ACXD RING STYLE INTERNAL
MATL MATERIAL STEEL, AMS 5520
ALBY USAGE DESIGN INTERNAL
AASG CASEHARDENING INDICATOR NOT CASEHARDENED

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