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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
26916 NORTHROP GRUMMAN SYSTEMS CORPORATION

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
SURF SURFACE TREATMENT CADMIUM, QQ-P-416, TYPE 2, CLASS 3
MATL MATERIAL STEEL
ABMC MAJOR THICKNESS 0.022 INCHES MINIMUM AND 0.026 INCHES MAXIMUM
ABKV OUTSIDE DIAMETER 0.400 INCHES MINIMUM AND 0.427 INCHES MAXIMUM
ACXD RING STYLE SPIRAL
AWQD STRENGTH RATING NOT RATED
AARX INSIDE DIAMETER 0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
ALBY USAGE DESIGN INTERNAL
ALME MATERIAL HARDNESS RATING NOT RATED
AAGR CROSS-SECTIONAL SHAPE STYLE DOUBLE OVAL
AASG CASEHARDENING INDICATOR NOT CASEHARDENED

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