Part Number
Part Number:
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.
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 |
---|---|---|
SURF | SURFACE TREATMENT | PASSIVATED, QQ-P-35 |
ABKV | OUTSIDE DIAMETER | 4.803 INCHES MINIMUM AND 4.838 INCHES MAXIMUM |
ALME | MATERIAL HARDNESS RATING | 39.8 ROCKWELL C MINIMUM AND 43.5 ROCKWELL C MAXIMUM |
MATL | MATERIAL | STEEL, MIL-S-5059, TYPE 302 |
ACXD | RING STYLE | SPECIAL FLAT |
AWQD | STRENGTH RATING | NOT RATED |
ABMC | MAJOR THICKNESS | 0.068 INCHES MINIMUM AND 0.076 INCHES MAXIMUM |
ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-R-27426 MANUFACTURERS STANDARD |
AARX | INSIDE DIAMETER | 4.303 INCHES NOMINAL |
ALBY | USAGE DESIGN | INTERNAL |
AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |