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 |
|---|---|
| 77445 | UNITED TECHNOLOGIES CORPORATION DBA |
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 |
| ALBY | USAGE DESIGN | EXTERNAL |
| AARX | INSIDE DIAMETER | 0.206 INCHES MINIMUM AND 0.214 INCHES MAXIMUM |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| MATL | MATERIAL | STEEL,FED STD 66,1066 TO 1090 |
| SURF | SURFACE TREATMENT | CADMIUM PLATED |
| AWQD | STRENGTH RATING | NOT RATED |
| ABMC | MAJOR THICKNESS | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM |
| ALME | MATERIAL HARDNESS RATING | 67.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 72.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ACXD | RING STYLE | C |