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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
80020 NAVAL AIR WARFARE CENTER AIRCRAFT DI

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
ALBY USAGE DESIGN EXTERNAL
ALME MATERIAL HARDNESS RATING 65.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
ACXD RING STYLE EXTERNAL
AWQD STRENGTH RATING NOT RATED
SURF SURFACE TREATMENT CADMIUM
ABMC MAJOR THICKNESS 0.025 INCHES NOMINAL
MATL MATERIAL STEEL,FED STD 66,AISI 1066 THRU 1090 OR SAE 1070 THRU 1090
AASG CASEHARDENING INDICATOR NOT CASEHARDENED
AARX INSIDE DIAMETER 0.120 INCHES NOMINAL

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