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 |
|---|---|---|
| SURF | SURFACE TREATMENT | PASSIVATED, QQ-P-35 |
| SURF | SURFACE TREATMENT | PASSIVATED, QQ-P-35 |
| MATL | MATERIAL | STEEL, SAE 302 OR STEEL, AISI 302 OR STEEL, MIL-S-5059, TYPE 302 OR STEEL, AMS 5688 OR STEEL, QQ-S-766, CLASS 302 |
| ACXD | RING STYLE | SPIRAL |
| ALME | MATERIAL HARDNESS RATING | 72.0 ROCKWELL A MINIMUM AND 74.9 ROCKWELL A MAXIMUM |
| AARX | INSIDE DIAMETER | 0.565 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
| AWQD | STRENGTH RATING | 200000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| ABMC | MAJOR THICKNESS | 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.675 INCHES MINIMUM AND 0.688 INCHES MAXIMUM |
| ALBY | USAGE DESIGN | INTERNAL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |