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National Stock Number:
5310-01-462-2758
Federal Supply Class:
5310
National Item Identification Number:
014622758
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.
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Manufacturer Information:
| 4M284-12 | 58009 | MOELLER MANUFACTURING & SUPPLY, LLC | | 4M284-12 | 76301 | THE BOEING COMPANY | | T4M284-12 | 04946 | STANDARD WIRE & CABLE CO. | | T4M284-12 | 59570 | TRICO MANUFACTURING INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | BROWN OVERALL | | CRITICALITY CODE JUSTIFICATION | AGAV | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.757 INCHES MINIMUM AND 0.770 INCHES MAXIMUM | | OVERALL DIAMETER | 1.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5604,CONDITION H1025 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 630 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | WASHER-PLAIN AND COUNTERSUNK,17-4PH CRES,1200 DEGREE F | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.0672 INCHES NOMINAL |
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