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 |
|---|---|
| 97499 | BELL HELICOPTER TEXTRON INC. |
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 |
|---|---|---|
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| ABPX | MATERIAL THICKNESS | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
| AAUB | HOLE DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| MATT | MATERIAL | ALUMINUM ALLOY OVERALL |
| ABKV | OUTSIDE DIAMETER | 1.030 INCHES MINIMUM AND 1.031 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | HOLE 0.362 IN. MIN,0.382 IN. MAX FROM CENTER OF ID TO CENTER OF HOLE,0.151 IN. MIN,0.171 IN. MAX HOLE DIA |
| ABKW | OVERALL HEIGHT | 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM |
| ABMH | RECESS DEPTH | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | RECESSED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |