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National Stock Number:
5310-00-520-6079
Federal Supply Class:
5310
National Item Identification Number:
005206079
Description:
WASHER,RECESSED
Detail:
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.
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Manufacturer Information:
| 1560H13-038 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND | | 47-130-118 | 80070 | LOCKHEED MARTIN CORPORATION | | 47-130-118 | 97499 | BELL TEXTRON INC | | 47-130-118-1 | 80070 | LOCKHEED MARTIN CORPORATION | | 47-130-118-1 | 97499 | BELL TEXTRON INC | | A264 | 13730 | AMSCO INC |
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Techincal Specification:
| HOLE DIAMETER | 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.985 INCHES MINIMUM AND 0.990 INCHES MAXIMUM | | OVERALL HEIGHT | 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OVERALL | | MINIMUM TENSILE STRENGTH | 90000 POUNDS PER SQUARE INCH | | RECESS DEPTH | 0.125 INCHES NOMINAL | | SPECIAL FEATURES | COUNTERBORED CORNERS ROUNDED BY 0.062 IN. RADIUS,OD ROUNDED TO 0.680 IN. DIA BY 1.000 IN. RADIUS | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | TEST DATA DOCUMENT | 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
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