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National Stock Number:
5310-14-316-1893
Federal Supply Class:
5310
National Item Identification Number:
143161893
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:
| 23116BC040LE | F0111 | BUREAU NORMALISATION AERONAUTIQUEESPACE | | 23116BC040LE | F0188 | BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE | | 23116BC040LE | F6760 | DEMAT SA | | 23116BC040LE | F7411 | MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE | | L23116-40BCLE | F0111 | BUREAU NORMALISATION AERONAUTIQUEESPACE |
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Techincal Specification:
| DIAMETER | 4.25 MILLIMETERS MINIMUM AND 4.43 MILLIMETERS MAXIMUM | | HEAT TREATMENT | AS FABRICATED | | MATERIAL DOCUMENT AND CLASSIFICATION | F0111 NATIONAL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 35NC6 | | MINIMUM TENSILE STRENGTH | 88.0 HECTOBAR | | MINIMUM YIELD STRENGTH | 74.0 HECTOBAR | | OVERALL DIAMETER | 14.0 MILLIMETERS NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NF L 09-753 CODE LE NATIONAL SPEC SINGLE TREATMENT RESPONSE | | THICKNESS | 0.8 MILLIMETERS NOMINAL |
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