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 | 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 2.803 INCHES MINIMUM AND 2.828 INCHES MAXIMUM |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | B TYPE AND 1 CLASS |
| ACXD | RING STYLE | SPECIAL FLAT |
| AWQD | STRENGTH RATING | NOT RATED |
| AARX | INSIDE DIAMETER | 2.487 INCHES NOMINAL |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-R-27426 GOVERNMENT SPECIFICATION |
| MATL | MATERIAL | STEEL, MIL-S-46049, COMP 1085 OR STEEL, MIL-S-46049 OR STEEL, AISI 1070 OR STEEL, AISI 1074 OR STEEL, AISI 1090 OR STEEL, AISI 1078 OR STEEL, AISI 1084 OR STEEL, AISI 1085 OR STEEL, MIL-S-46049, COMP 1074 OR STEEL, AISI 1080 OR STEEL, MIL-S-46049, COMP 1065 OR STEEL, MIL-S-46049, COMP 1095 OR STEEL, AISI 1095 |
| ALBY | USAGE DESIGN | INTERNAL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| ALME | MATERIAL HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |