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 |
|---|---|
| 92215 | ALCOA GLOBAL FASTENERS INC. DBA ALCO |
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 |
|---|---|---|
| ABPX | MATERIAL THICKNESS | 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM |
| CSTM | RECESS ANGLE | 80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM |
| AAUB | HOLE DIAMETER | 0.627 INCHES MINIMUM AND 0.631 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5596 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS5525 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS5597 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS5737 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS5662 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| ABKV | OUTSIDE DIAMETER | 1.153 INCHES MINIMUM AND 1.163 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | ALUMINUM ALLOY OVERALL |
| STYL | STYLE DESIGNATOR | RECESS |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL OR NICKEL ALLOY 718 OVERALL |
| ABMD | RECESS DIAMETER | 0.764 INCHES MINIMUM AND 0.774 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |