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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
81205 THE BOEING COMPANY DBA BOEING DIV DE

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 3.518 INCHES NOMINAL
AARX INSIDE DIAMETER 3.518 INCHES NOMINAL
MATL MATERIAL STEEL,SAE 1080 TO 1090
ABMC MAJOR THICKNESS 0.056 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
ACXD RING STYLE SPECIAL FLAT
ABKV OUTSIDE DIAMETER 3.636 INCHES MINIMUM AND 3.656 INCHES MAXIMUM
AWQD STRENGTH RATING 235000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE
ALBY USAGE DESIGN INTERNAL
AAGR CROSS-SECTIONAL SHAPE STYLE DOUBLE OVAL
AASG CASEHARDENING INDICATOR NOT CASEHARDENED
ALME MATERIAL HARDNESS RATING 65.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 68.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM

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