NSN 5310-00-531-1813
Part Details | FLAT WASHER
5310-00-531-1813 A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
Alternate Parts: 12307221, 12-30722-1, 5310-00-531-1813, 00-531-1813, 5310005311813, 005311813
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-531-1813 | 13393 ( WASHER, FLAT ) |
REFERENCE DRAWINGS & PICTURES
RECTANGULAR
ROUND
ROUND
Cross Reference | NSN 5310-00-531-1813
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12-30722-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFTDIVISION CODE 4.8.8.0.0.B BLDG 148-2 |
Technical Data | NSN 5310-00-531-1813
| Characteristic | Specifications |
|---|---|
| HARDNESS RATING | RCB34.0 ROCKWELL C MAXIMUM AND 38.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 1.031 INCHES NOMINAL |
| PERIPHERAL SHAPE STYLE | ROUND |
| OVERALL DIAMETER | 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM |
| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| THICKNESS | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM |
| TEST DATA DOCUMENT | 81349-MIL-H-6875 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.). AND 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.). |
| CRITICALITY CODE JUSTIFICATION | AGAV |
| HEAT TREATMENT | AS FABRICATED |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| END ITEM IDENTIFICATION | PISTON ASSEMBLY LAUNCHING ENGINE |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | (INAVY) WASHER PISTON ASSEMBLY LAUNCHING ENGINE |