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National Stock Number:
5310-01-461-7209
Federal Supply Class:
5310
National Item Identification Number:
014617209
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:
| F1312-350630 | A175N | SAAB DYNAMICS AKTIEBOLAG | | F1312-350630 | S3098 | SAAB BOFORS DYNAMICS AB | | F1312-350630 | SF413 | SAAB DYNAMICS AB | | GF235063 | SF413 | SAAB DYNAMICS AB |
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Techincal Specification:
| HARDNESS RATING | 200.0 VICKERS OR FIRTH DIAMOND PYRAMID NOMINAL | | MATERIAL | STEEL OVERALL | | SPECIAL FEATURES | MINIMUM TENSILE STRENGTH-MIN 440 MPA, SURFACE FINISH-RA 1.6 MATERIAL-ST EEL MATERIAL DOCUMENT AND CLASSIFICATION-SS 1770-11 ALT. EN 10132-4-1.1231+A NONDEFINITIVE SPEC/STD DATA -2 TYPE AND 10P STYLE AND 2 GRADE SURFACE TREATMEENT-MANGANESE PHOSPHATED AND OILED, INSIDE DIA 6.3MM MIN 6.66MM MAX, OUTSIDE DIA 9.78MM MIN 10.0 MM MAX | | SURFACE TREATMENT | OIL OVERALL | | THICKNESS | 0.75 MILLIMETERS MINIMUM AND 0.85 MILLIMETERS MAXIMUM |
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