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National Stock Number:
5310-00-900-2391
Federal Supply Class:
5310
National Item Identification Number:
009002391
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:
| 204-001-622-005 | 97499 | BELL TEXTRON INC | | 204-001-622-5 | 04614 | TEXTRON SYSTEMS CORPORATION | | 204-001-622-5 | 80070 | LOCKHEED MARTIN CORPORATION | | 204-001-622-5 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.380 INCHES MINIMUM AND 1.400 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | MINIMUM TENSILE STRENGTH | 95000 POUNDS PER SQUARE INCH | | OVERALL DIAMETER | 2.350 INCHES MINIMUM AND 2.410 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 299-099-031,FSCM 97499 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | | | THICKNESS | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
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