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National Stock Number (NSN) Output Data

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.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
9M187-78 51814 A 5 2 5 ZZ
9M187-78 76301 A 7 2 2 SB
9M187-78 12837 A 5 2 5 ZZ
RST78CDM9 80756 A 3 2 2 SB

CAGE Information

Code Company
12837 SEALTITE CORPORATION
51814 SMALLEY STEEL RING CO.
76301 BOEING COMPANY THE DBA BOEING
80756 SPIROLOX INC.

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
MATL MATERIAL STEEL SAE 1070 THRU 1090
ACXD RING STYLE SPIRAL
AARX INSIDE DIAMETER 0.725 INCHES MINIMUM AND 0.738 INCHES MAXIMUM
SURF SURFACE TREATMENT CADMIUM, QQ-P-416, TYPE 2, CLASS 2
ALME MATERIAL HARDNESS RATING NOT RATED
AAGR CROSS-SECTIONAL SHAPE STYLE DOUBLE OVAL
AASG CASEHARDENING INDICATOR NOT CASEHARDENED
ABKV OUTSIDE DIAMETER 0.855 INCHES MINIMUM AND 0.868 INCHES MAXIMUM
AWQD STRENGTH RATING 255000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE
ABMC MAJOR THICKNESS 0.042 INCHES MINIMUM AND 0.046 INCHES MAXIMUM

Similar Parts

9M187-78 , 9M18778 , 5325-00-364-9422 , 5325003649422 , 003649422 , 9M187-78 , 9M187-78 , 9M187-78 , RST78CDM9 ,