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National Stock Number:
5310-00-403-3209
Federal Supply Class:
5310
National Item Identification Number:
004033209
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:
| R2835P1 | 23991 | LOCKHEED MARTIN CORPORATION | | R2835P1 | 79272 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| MATERIAL | STEEL COMP 1330 OR | | STEEL COMP 4130 OR | | STEEL COMP 3130 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD 1ST MATERIAL RESPONSE OR | | 66 FED STD 2ND MATERIAL RESPONSE OR | | AISI ASSN STD 3RD MATERIAL RESPONSE OR | | SAE ASSN STD 3RD MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.192 INCHES MINIMUM AND | | 0.199 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.340 INCHES MINIMUM AND | | 0.350 INCHES MAXIMUM | | RECESS DIAMETER | 0.270 INCHES MINIMUM AND | | 0.280 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.078 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 79272 | | DESIGN CONTROL REFERENCE | R2835P1 |
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