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 |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
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 |
|---|---|---|
| ABMC | MAJOR THICKNESS | 0.090 INCHES MINIMUM AND 0.096 INCHES MAXIMUM |
| SURF | SURFACE TREATMENT | CADMIUM, QQ-P-416, TYPE 2, CLASS 3 |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| ABKV | OUTSIDE DIAMETER | 2.950 INCHES MINIMUM AND 3.020 INCHES MAXIMUM |
| MATL | MATERIAL | STEEL,FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 |
| ALME | MATERIAL HARDNESS RATING | 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| AWQD | STRENGTH RATING | NOT RATED |
| ACXD | RING STYLE | INTERNAL |
| ALBY | USAGE DESIGN | INTERNAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |