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 |
---|---|---|---|---|---|---|---|---|
MIL-DTL-27426 | 81349 | M | 4 | 1 | E | ZZ | ||
M2742630142A | 81349 | M | 2 | 2 | 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 |
---|---|---|
ABMC | MAJOR THICKNESS | 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
AARX | INSIDE DIAMETER | 1.514 INCHES MINIMUM AND 1.534 INCHES MAXIMUM |
ACXD | RING STYLE | SPECIAL FLAT |
ALME | MATERIAL HARDNESS RATING | 72.0 ROCKWELL A MINIMUM AND 74.9 ROCKWELL A MAXIMUM |
ABKV | OUTSIDE DIAMETER | 1.730 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
AWQD | STRENGTH RATING | NOT RATED |
MATL | MATERIAL | STEEL, MIL-S-46049, COMP 1075 OR STEEL, MIL-S-46049, COMP 1074 OR STEEL, MIL-S-46049, COMP 1085 |
ALBY | USAGE DESIGN | INTERNAL |
AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |