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 |
|---|---|---|---|---|---|---|---|---|
| MS90708 | 81349 | M | 2 | 2 | E | ZZ | ||
| MIL-R-21248 | 81349 | M | 4 | 1 | E | ZZ | ||
| R271NNAA0098NN119NNQA1 | 81343 | A | 5 | 9 | 5 | ZZ | ||
| R271NNAA0098NN119NNQD1 | 81343 | A | 5 | 9 | 5 | ZZ |
CAGE Information
| Code | Company |
|---|---|
| 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| 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 |
|---|---|---|
| AWQD | STRENGTH RATING | 1250.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| ALBY | USAGE DESIGN | EXTERNAL |
| MATL | MATERIAL | STEEL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| ACXD | RING STYLE | SPECIAL |
| ALME | MATERIAL HARDNESS RATING | 44.500 ROCKWELL C NOMINAL |
| ABMC | MAJOR THICKNESS | 0.182 INCHES MINIMUM AND 0.194 INCHES MAXIMUM |
| AARX | INSIDE DIAMETER | 0.863 INCHES NOMINAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |