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National Stock Number:
5310-01-204-3347
Federal Supply Class:
5310
National Item Identification Number:
012043347
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:
| 240741 | 09205 | LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV | | 240741 | 31095 | MILLIPART, INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.147 INCHES NOMINAL | | LENGTH | 0.380 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AAMS 5643,COND H1025 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 630 OVERALL | | III SUPPLEMENTARY FEATURES | TO BE BENT AT INSTALLATION | | PERIPHERAL SHAPE STYLE | RECTANGULAR | | PROPRIETARY CHARACTERISTICS | PACS | | SPECIAL FEATURES | LCHAMFER OUTSIDE LEFT CORNER 0.060 IN. BY 43 DEG MIN AND 47 DEG MAX; CHAMFER OUTSIDE TOP RIGHT CORNER 0.060 IN. BY 43 DEG MIN AND 47 DEG MAX; CHAMFER FOR BOTTOM RIGHT CORNER 0.120 IN. BY 43 DEG MIN AND 47 DEG MAX | | WIDTH ACROSS FLATS | 0.350 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.090 INCHES NOMINAL |
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