|
|
|
National Stock Number:
5310-01-134-5787
Federal Supply Class:
5310
National Item Identification Number:
011345787
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:
| 413-4491193 PIECE 60 | 25685 | NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE |
|
Techincal Specification:
| MATERIAL | NICKEL ALLOY AND | | COPPER ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.526 INCHES MINIMUM AND | | 0.546 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.062 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 25685 | | DESIGN CONTROL REFERENCE | 413-4491193 PIECE 60 |
|
|