|
|
|
National Stock Number:
5310-00-631-1314
Federal Supply Class:
5310
National Item Identification Number:
006311314
Description:
WASHER,FLAT
Detail:
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.
|
Manufacturer Information:
| 9076274 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
|
Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.196 INCHES MINIMUM AND 0.201 INCHES MAXIMUM | | LENGTH | 1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 302 OVERALL | | SPECIAL FEATURES | ALL 4 CORNERS ARE CHAMFERED 1/8 INCH PORM 1/32 INCH BY 45 DEGREES PORM 5 DEGREES | | PERIPHERAL SHAPE STYLE | RECTANGULAR | | WIDTH ACROSS FLATS | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
|
|