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 |
|---|---|---|
| ACXD | RING STYLE | SPECIAL FLAT |
| SURF | SURFACE TREATMENT | CADMIUM, QQ-P-416, TYPE 2, CLASS 2 |
| ABKV | OUTSIDE DIAMETER | 4.479 INCHES MINIMUM AND 4.514 INCHES MAXIMUM |
| MATL | MATERIAL | STEEL,AISI 1070 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1085 OR 1086 OR 1090 |
| AARX | INSIDE DIAMETER | 4.035 INCHES MINIMUM AND 4.050 INCHES MAXIMUM |
| AWQD | STRENGTH RATING | 25500.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| ALBY | USAGE DESIGN | INTERNAL |
| ALME | MATERIAL HARDNESS RATING | NOT RATED |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABMC | MAJOR THICKNESS | 0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM |