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 |
|---|---|
| 80070 | LOCKHEED MARTIN CORPORATION DBA LOCK |
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 |
|---|---|---|
| TEST | TEST DATA DOCUMENT | 81349-MIL-I-6868 SPECIFICATION |
| ABMH | RECESS DEPTH | 0.125 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | COUNTERBORED CORNERS ROUNDED BY 0.062 IN. RADIUS,OD ROUNDED TO 0.680 IN. DIA BY 1.000 IN. RADIUS |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
| ABKV | OUTSIDE DIAMETER | 0.985 INCHES MINIMUM AND 0.990 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM |
| AAUB | HOLE DIAMETER | 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | RECESSED |
| CQBC | MINIMUM TENSILE STRENGTH | 90000 POUNDS PER SQUARE INCH |