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 |
|---|---|---|
| ABMC | MAJOR THICKNESS | 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM |
| ABMC | MAJOR THICKNESS | 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM |
| AARX | INSIDE DIAMETER | 0.695 INCHES MINIMUM AND 0.708 INCHES MAXIMUM |
| ALBY | USAGE DESIGN | EXTERNAL |
| ALME | MATERIAL HARDNESS RATING | 71.0 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM |
| AWQD | STRENGTH RATING | 221000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| MATL | MATERIAL | STEEL, FED STD 66, COMP 1078 OR STEEL, FED STD 66, COMP 1086 OR STEEL, FED STD 66, COMP 1085 OR STEEL, FED STD 66, COMP 1084 OR STEEL, FED STD 66, COMP 1080 OR STEEL, FED STD 66, COMP 1075 OR STEEL, FED STD 66, COMP 1074 OR STEEL, FED STD 66, COMP 1072 OR STEEL, FED STD 66, COMP 1070 OR STEEL, FED STD 66, COMP 1090 |
| ACXD | RING STYLE | SPIRAL |
| SURF | SURFACE TREATMENT | CADMIUM, QQ-P-416, TYPE 2, CLASS 2 |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABKV | OUTSIDE DIAMETER | 0.825 INCHES MINIMUM AND 0.838 INCHES MAXIMUM |