|
|
|
National Stock Number:
5310-01-273-1641
Federal Supply Class:
5310
National Item Identification Number:
012731641
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:
| MS51496T47 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
|
Techincal Specification:
| HARDNESS RATING | 57.0 ROCKWELL B MINIMUM AND | | 77.0 ROCKWELL B MAXIMUM | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51496T47 | | MATERIAL | COPPER ALLOY 260 OR | | COPPER ALLOY 268 OR | | COPPER ALLOY 270 OR | | COPPER ALLOY 272 OR | | COPPER ALLOY 274 OR | | COPPER ALLOY 280 OR | | COPPER ALLOY 330 OR | | COPPER ALLOY 331 OR | | COPPER ALLOY 332 OR | | COPPER ALLOY 335 OR | | COPPER ALLOY 340 OR | | COPPER ALLOY 342 OR | | COPPER ALLOY 344 OR | | COPPER ALLOY 347 OR | | COPPER ALLOY 348 OR | | COPPER ALLOY 350 OR | | COPPER ALLOY 353 OR | | COPPER ALLOY 356 OR | | COPPER ALLOY 360 OR | | COPPER ALLOY 370 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | TIN OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B545 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.120 INCHES MINIMUM AND | | 0.125 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.250 INCHES MINIMUM AND | | 0.255 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.028 INCHES MINIMUM AND | | 0.036 INCHES MAXIMUM |
|
|