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 |
|---|---|
| 97499 | BELL HELICOPTER TEXTRON 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 |
|---|---|---|
| MATL | MATERIAL | STEEL,MIL MIL-S-7947 COMPOSITION 1095,CONDITION ANY ACCEPTABLE |
| ABKV | OUTSIDE DIAMETER | 5.550 INCHES NOMINAL |
| AARX | INSIDE DIAMETER | 5.150 INCHES NOMINAL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| SURF | SURFACE TREATMENT | CADMIUM PLATED |
| AWQD | STRENGTH RATING | NOT RATED |
| ALME | MATERIAL HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM |
| ABMC | MAJOR THICKNESS | 0.064 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
| ALBY | USAGE DESIGN | INTERNAL |
| ACXD | RING STYLE | ANGULAR CAP |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |