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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
79136 TRUARC COMPANY LLC DBA WALDES TRUARC

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
SURF SURFACE TREATMENT CADMIUM, QQ-P-416, TYPE 2, CLASS 3
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
ACXD RING STYLE EXTERNAL
AWQD STRENGTH RATING NOT RATED
ABMC MAJOR THICKNESS 0.106 INCHES MINIMUM AND 0.112 INCHES MAXIMUM
MATL MATERIAL STEEL,FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090
AASG CASEHARDENING INDICATOR CASEHARDENED
ALME MATERIAL HARDNESS RATING 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
AARX INSIDE DIAMETER 3.959 INCHES MINIMUM AND 4.009 INCHES MAXIMUM

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