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 |
|---|---|
| 56232 | LOCKHEED MARTIN CORPORATION DBA LOCK |
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 |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | ROUNDED CORNERS |
| ACXD | RING STYLE | EXTERNAL |
| ABMC | MAJOR THICKNESS | 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM |
| AWQD | STRENGTH RATING | 190000.000 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| MATL | MATERIAL | COPPER-BERYLLIUM ALLOY QQ-C533,CONDITION HT |
| AARX | INSIDE DIAMETER | 0.540 INCHES MINIMUM AND 0.555 INCHES MAXIMUM |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ALME | MATERIAL HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |