Part Number
Part Number:
NSN:
NIIN:
Item Name:
WASHER , SHOULDERED AND RECESSED
Definition:
A WASHER, ROUND IN SHAPE, HAVING A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS FLAT, THE OTHER SURFACE IS IN THE FORM OF A RAISED SHOULDER (BOSS) HAVING A FLAT BEARING SURFACE. EITHER OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILAR SHAPED RECESS. THE THICKNESS OF THE SHOULDER (BOSS) MUST NOT EXCEED 25 PERCENT OF THE SHOULDER (BOSS) DIAMETER. FOR ITEMS HAVING A SHOULDER (BOSS) OF GREATER THICKNESS, USE BEARING, SLEEVE; BUSHING, SLEEVE; OR SPACER, SLEEVE. EXCLUDES INSULATOR, WASHER AND THRUST TYPE WASHERS.
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABKV | OUTSIDE DIAMETER | 2.344 INCHES MINIMUM AND 2.406 INCHES MAXIMUM |
| AAUB | HOLE DIAMETER | 1.656 INCHES MINIMUM AND 1.719 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.065 INCHES NOMINAL |
| ABMG | SHOULDER HEIGHT | 0.153 INCHES MINIMUM AND 0.158 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 1.818 INCHES MINIMUM AND 1.823 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AN-S-684 COND C MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | SHOULDERED AND RECESSED |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| AAVH | SHOULDER DIAMETER | 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| ABMH | RECESS DEPTH | 0.153 INCHES MINIMUM AND 0.158 INCHES MAXIMUM |