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 |
|---|---|
| 05047 | AMERICAN SOCIETY OF MECHANICAL ENGIN |
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 |
| AWQF | END PLAY TAKEUP | 0.017 INCHES MINIMUM AND 0.025 INCHES MAXIMUM |
| ABMC | MAJOR THICKNESS | 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| ALME | MATERIAL HARDNESS RATING | 77.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 82.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM |
| ACXD | RING STYLE | EXTERNAL BOWED |
| AWQD | STRENGTH RATING | 200000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| AARX | INSIDE DIAMETER | 0.164 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| MATL | MATERIAL | COPPER ALLOY, QQ-C-533 |