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National Stock Number:
5310-00-714-4024
Federal Supply Class:
5310
National Item Identification Number:
007144024
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:
| 7144024 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.380 INCHES MINIMUM AND 1.390 INCHES MAXIMUM | | OVERALL DIAMETER | 1.984 INCHES MINIMUM AND 2.016 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A304 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A331 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-637 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A519 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A519 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A519 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A519 ASSN STD 5TH MATERIAL RESPONSE OR ASTM A519 ASSN STD 6TH MATERIAL RESPONSE OR ASTM A513 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL OR STEEL COMP 4130 OR STEEL COMP 4135 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OR STEEL COMP MT1010 OR STEEL COMP MT1015 OR STEEL COMP MT1020 OR STEEL COMP MTX1015 OR STEEL COMP MTX1020 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THICKNESS | 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |
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