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 |
| ABMC | MAJOR THICKNESS | 0.015 INCHES NOMINAL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| MATL | MATERIAL | BERYLLIUM COPPER, QQ-C-533 |
| AARX | INSIDE DIAMETER | 0.168 INCHES NOMINAL |
| ALME | MATERIAL HARDNESS RATING | 77.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 82.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM |
| ACXD | RING STYLE | EXTERNAL BOWED |
| SURF | SURFACE TREATMENT | CADMIUM PLATED |
| AWQD | STRENGTH RATING | NOT RATED |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| AWQF | END PLAY TAKEUP | 0.015 INCHES MAXIMUM |