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 |
|---|---|
| 81349 | MILITARY SPECIFICATIONS PROMULGATED |
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 |
| SURF | SURFACE TREATMENT | PASSIVATED, QQ-P-35 |
| ALME | MATERIAL HARDNESS RATING | 39.8 ROCKWELL C MINIMUM AND 48.5 ROCKWELL C MAXIMUM |
| MATL | MATERIAL | STEEL, MIL-S-5059, TYPE 302 |
| ACXD | RING STYLE | SPIRAL |
| ABKV | OUTSIDE DIAMETER | 2.712 INCHES MINIMUM AND 2.747 INCHES MAXIMUM |
| AWQD | STRENGTH RATING | NOT RATED |
| AARX | INSIDE DIAMETER | 2.318 INCHES MINIMUM AND 2.343 INCHES MAXIMUM |
| ABMC | MAJOR THICKNESS | 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |