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 |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
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 |
|---|---|---|
| AAVH | SHOULDER DIAMETER | 1.4389 INCHES MINIMUM AND 1.4399 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
| AAUB | HOLE DIAMETER | 1.2500 INCHES MINIMUM AND 1.2515 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-465 FED SPEC 2ND MATERIAL RESPONSE OVERALL OR QQ-C-465 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR AMS 4640 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| ABKV | OUTSIDE DIAMETER | 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | SHOULDERED |
| FEAT | SPECIAL FEATURES | CHAMFERED BOTH SIDES OF BOSS 0.025 IN. MIN AND 0.035 IN. MAX BY 45 DEGREES |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS77 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| ABMG | SHOULDER HEIGHT | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM |
| MATT | MATERIAL | COPPER ALLOY 642 OVERALL OR COPPER ALLOY 630 OVERALL |
| CSYM | SURFACE FINISH | 100.0 MICROINCHES ALL SURFACES |