Part Number
Definition:
A WASHER, ROUND IN SHAPE, AND HAVING A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS FLAT AND UNBROKEN, THE OTHER SURFACE IS IN THE FORM OF A RAISED SHOULDER (BOSS) HAVING A FLAT BEARING SURFACE. 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 |
|---|---|
| 77445 | UNITED TECHNOLOGIES CORPORATION DBA |
Federal Supply Class
Title
NUTS AND WASHERS
Inclusions:
INCLUDES LOCKNUTS; EYE NUTS; PLAIN NUTS; CASTELLATED NUTS; WING NUTS; PLATE NUTS; PUSH ON NUTS; CONCAVE AND CONVEX WASHERS; FLAT WASHERS; KEYED WASHERS; LOCK WASHERS; SHOULDERED WASHERS; SPLIT WASHERS.
Exclusions:
EXCLUDES BEARING THRUST WASHERS (FSC 3120); SHIMS (FSC 5365); RING SPACERS (FSC 5365); PLATE SPACERS (FSC 5365); LOCK RINGS (FSC 5365).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABMG | SHOULDER HEIGHT | 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL |
| AAUB | HOLE DIAMETER | 3.535 INCHES MINIMUM AND 3.545 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.285 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 3.950 INCHES MINIMUM AND 3.970 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | SHOULDERED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAVH | SHOULDER DIAMETER | 3.7000 INCHES MINIMUM AND 3.7015 INCHES MAXIMUM |