NIIN Output Data
NIIN:
NSN:
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.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| MIL-DTL-27426 | 81349 | M | 4 | 1 | E | ZZ | ||
| 401502 | 77640 | A | D | 9 | 5 | ZZ | ||
| M2742640137A | 81349 | M | 2 | 2 | E | ZZ | ||
| PL44616-121H FIND NO. 21 | 63600 | A | C | 1 | 5 | ZZ | AC | |
| 401674 | 77640 | A | 5 | 1 | 5 | ZZ | ||
| RRN-231 | 80756 | A | 5 | 1 | 4 | KZ |
CAGE Information
| Code | Company |
|---|---|
| 63600 | CURTISS-WRIGHT FLOW CONTROL SERVICE |
| 81349 | MILITARY SPECIFICATIONS PROMULGATED |
| 77640 | TRW INC DBA COMMERCIAL STEERING DIVI |
| 80756 | SPIROLOX INC. |
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 |
|---|---|---|
| AARX | INSIDE DIAMETER | 2.067 INCHES MINIMUM AND 2.092 INCHES MAXIMUM |
| AWQD | STRENGTH RATING | 211000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| ALME | MATERIAL HARDNESS RATING | 71.0 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM |
| ACXD | RING STYLE | SPECIAL FLAT |
| ABKV | OUTSIDE DIAMETER | 2.467 INCHES MINIMUM AND 2.492 INCHES MAXIMUM |
| MATL | MATERIAL | STEEL, FED STD 66, COMP 1074 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 1070 OR STEEL, FED STD 66, COMP 1072 OR STEEL, FED STD 66, COMP 1075 OR STEEL, FED STD 66, COMP 1078 OR STEEL, FED STD 66, COMP 1080 OR STEEL, FED STD 66, COMP 1090 |
| ABMC | MAJOR THICKNESS | 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM |
| ALBY | USAGE DESIGN | INTERNAL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | B TYPE AND 2 CLASS |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |