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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
93591 TYCO VALVES & CONTROLS LP USE CAGE C

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
ABMC MAJOR THICKNESS 0.037 INCHES NOMINAL
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
ABKV OUTSIDE DIAMETER 0.689 INCHES MINIMUM AND 0.704 INCHES MAXIMUM
SURF SURFACE TREATMENT CADMIUM AND CHROMATE
MATL MATERIAL STEEL,FED FED. STD. NO. 66,STEEL NO. 1066 THRU 1090
AWQD STRENGTH RATING NOT RATED
ACXD RING STYLE INTERNAL
ALME MATERIAL HARDNESS RATING 67.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 72.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
ALBY USAGE DESIGN INTERNAL
AASG CASEHARDENING INDICATOR NOT CASEHARDENED

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