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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
AARX INSIDE DIAMETER 0.683 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
ABMC MAJOR THICKNESS 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM
ALBY USAGE DESIGN EXTERNAL
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
MATL MATERIAL STEEL,FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090
ACXD RING STYLE EXTERNAL
AWQD STRENGTH RATING NOT RATED
ALME MATERIAL HARDNESS RATING 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
SURF SURFACE TREATMENT CADMIUM, QQ-P-416, TYPE 2, CLASS 3 OR ZINC PLATED,MIL-C-81562,TY 2 CL 3
AASG CASEHARDENING INDICATOR NOT CASEHARDENED

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