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 |
---|---|---|---|---|---|---|---|---|
M2742630121D | 81349 | M | 2 | 2 | E | ZZ | ||
MIL-DTL-27426 | 81349 | M | 4 | 1 | E | ZZ |
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 |
---|---|---|
ABKV | OUTSIDE DIAMETER | 1.078 INCHES NOMINAL |
ABMC | MAJOR THICKNESS | 0.037 INCHES NOMINAL |
SURF | SURFACE TREATMENT | PASSIVATED, QQ-P-35 |
ZZZT | NONDEFINITIVE SPEC/STD DATA | B TYPE AND 1 CLASS |
MATL | MATERIAL | STEEL, MIL-S-5059, TYPE 302 |
ACXD | RING STYLE | SPECIAL FLAT |
ALME | MATERIAL HARDNESS RATING | 72.0 ROCKWELL A MINIMUM AND 74.9 ROCKWELL A MAXIMUM |
AWQD | STRENGTH RATING | NOT RATED |
AARX | INSIDE DIAMETER | 0.928 INCHES NOMINAL |
ALBY | USAGE DESIGN | INTERNAL |
AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |