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National Stock Number:
5310-01-509-9071
Federal Supply Class:
5310
National Item Identification Number:
015099071
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:
| NAS1401-4C3G | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CRITICALITY CODE JUSTIFICATION | AGAV | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR AMS5510 ASSN STD 2ND MATERIAL RESPONSE OR AMS5512 ASSN STD 3RD MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 301 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL | | PERIPHERAL SHAPE STYLE | SQUARE | | SPECIAL FEATURES | PRIMER - MIL-PRF-85582, TYPE 1, CLASS 1A OR 1B; 2 COATS OF PRIMER; PARTS MANUFACTURED FROM SHEET OR PLATE MAY BE CHAMFERED IN LIEU OF RADIUS | | SPECIFICATION/STANDARD DATA | 70205-NAS1401 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | SURFACE TREATMENT | | | THICKNESS | 0.090 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.510 INCHES MINIMUM AND 0.570 INCHES MAXIMUM |
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