National Stock Number (NSN) Output Data
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.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| D-RST287SP-M9 | 80756 | A | 3 | 2 | 5 | KZ | ||
| 9M857C287 | 76301 | A | C | 1 | 5 | ZZ | AX |
CAGE Information
| Code | Company |
|---|---|
| 76301 | BOEING COMPANY THE DBA BOEING |
| 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 |
|---|---|---|
| ALBY | USAGE DESIGN | EXTERNAL |
| ABMC | MAJOR THICKNESS | 0.090 INCHES MINIMUM AND 0.096 INCHES MAXIMUM |
| SURF | SURFACE TREATMENT | PASSIVATED, QQ-P-35 |
| MATL | MATERIAL | STEEL, MIL-S-5059, TYPE 302 |
| ACXD | RING STYLE | SPIRAL |
| AARX | INSIDE DIAMETER | 2.692 INCHES MINIMUM AND 2.722 INCHES MAXIMUM |
| ALME | MATERIAL HARDNESS RATING | NOT RATED |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| AWQD | STRENGTH RATING | 185000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| ABKV | OUTSIDE DIAMETER | 3.056 INCHES MINIMUM AND 3.106 INCHES MAXIMUM |