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National Stock Number:
5310-01-031-8375
Federal Supply Class:
5310
National Item Identification Number:
010318375
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:
| 2508835 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | PFW-375 | 94882 | JERGENS INC |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 0.488 INCHES MINIMUM AND 0.508 INCHES MAXIMUM | | COLOR | BLACK OVERALL | | CRITICALITY CODE JUSTIFICATION | ZZZW | | DEPARTURE FROM CITED DOCUMENT | AS DIFFERENTIATED BY SPECIAL QUALITY CONTROL TESTING FOR MK 48 TORPEDO | | HOLE DIAMETER | 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.875 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 12L14 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SPECIAL FEATURES | OD BEVELED 0.030 IN. BY 45 DEG,WASHER CYANIDE HARDENED 0.005 TO 0.008 IN. DEEP | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE TREATMENT | OXIDE FILM OVERALL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 0.488 INCHES MINIMUM AND 0.508 INCHES MAXIMUM |
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