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 |
---|---|---|---|---|---|---|---|---|
M2742630180C | 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 |
---|---|---|
AARX | INSIDE DIAMETER | 3.125 INCHES MINIMUM AND 3.175 INCHES MAXIMUM |
ALME | MATERIAL HARDNESS RATING | 71.0 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM |
ACXD | RING STYLE | SPECIAL FLAT |
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 |
SURF | SURFACE TREATMENT | PHOSPHATE, DOD-P-16232, TYPE Z, CLASS 2 |
ABKV | OUTSIDE DIAMETER | 3.509 INCHES MINIMUM AND 3.539 INCHES MAXIMUM |
ALBY | USAGE DESIGN | INTERNAL |
AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
ABMC | MAJOR THICKNESS | 0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM |