Part Number
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 |
|---|---|
| 99193 | HONEYWELL INTERNATIONAL INC. DBA HON |
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 |
|---|---|---|
| HEAT | HEAT TREATMENT | F-AS FABRICATED |
| ABMG | SHOULDER HEIGHT | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| AAVH | SHOULDER DIAMETER | 1.695 INCHES MINIMUM AND 1.705 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2470 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| ABKV | OUTSIDE DIAMETER | 1.876 INCHES MINIMUM AND 1.877 INCHES MAXIMUM |
| MATT | MATERIAL | ALUMINUM ALLOY OVERALL |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES TOP |
| ABMD | RECESS DIAMETER | 0.564 INCHES MINIMUM AND 0.584 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | COUNTERBORE,0.040 IN. MIN,0.050 IN. MAX DEEP,0.690 DIA ON OPPOSITE END OF SHOULDER |
| STYL | STYLE DESIGNATOR | SHOULDERED AND RECESSED |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES INNER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS4117 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ABPX | MATERIAL THICKNESS | 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES BOTTOM |
| CSTM | RECESS ANGLE | 90.0 DEGREES NOMINAL |
| CQFM | HARDNESS RATING | 50.0 ROCKWELL B MINIMUM |
| AAUB | HOLE DIAMETER | 0.474 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES COUNTERBORE WALL |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES SHOULDER FACE |