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 |
|---|---|
| 71791 | CURTISS-WRIGHT CONTROLS INC. DIV FLI |
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 |
|---|---|---|
| AWQF | END PLAY TAKEUP | 0.015 INCHES NOMINAL |
| ALBY | USAGE DESIGN | EXTERNAL |
| AARX | INSIDE DIAMETER | 0.221 INCHES MINIMUM AND 0.227 INCHES MAXIMUM |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | PART NO. MS16628-1025 |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| SURF | SURFACE TREATMENT | CADMIUM AND CHROMATE |
| ACXD | RING STYLE | EXTERNAL BOWED |
| AWQD | STRENGTH RATING | NOT RATED |
| ALME | MATERIAL HARDNESS RATING | 69.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 73.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| ABMC | MAJOR THICKNESS | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM |
| MATL | MATERIAL | STEEL,FED STD 66,FS1066 THRU FS1090 |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |