Part Number
Definition:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.
CAGE Information
| Code | Company |
|---|---|
| 99207 | GENERAL ELECTRIC COMPANY DBA GE DIV |
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 |
|---|---|---|
| CSYM | SURFACE FINISH | 32.0 MICROINCHES TOP |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES TOP |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| ABMD | RECESS DIAMETER | 0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.555 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BOTTOM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| AAUB | HOLE DIAMETER | 0.315 INCHES MINIMUM AND 0.324 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| ABPX | MATERIAL THICKNESS | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | RECESS |
| CSTM | RECESS ANGLE | 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |