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 |
| SURF | SURFACE TREATMENT | PASSIVATED, ASTM A380 |
| AWQD | STRENGTH RATING | 250000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| ACXD | RING STYLE | EXTERNAL |
| ALME | MATERIAL HARDNESS RATING | 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| AARX | INSIDE DIAMETER | 1.083 INCHES MINIMUM AND 1.108 INCHES MAXIMUM |
| MATL | MATERIAL | STEEL, AMS 5520 |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABMC | MAJOR THICKNESS | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | RING RETAINING, EXTERNAL |