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National Stock Number:
5310-00-044-6170
Federal Supply Class:
5310
National Item Identification Number:
000446170
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:
| 1-4 T | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT | | 126755 | 08683 | BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC | | 139712H | 31007 | NAVISTAR INTL CORP | | 139712H | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT | | 1881409 | 16764 | GENERAL MOTORS CORP DELCO REMY DIV | | 1881409 | 1LW55 | BORGWARNER PDS (ANDERSON), L.L.C. | | 1881409 | 24617 | GENERAL MOTORS CORP | | 1881409 | 56442 | DIAMOND REO TRUCK CO | | 1881409 | 61928 | GENERAL MOTORS CORP AC-DELCO DIV GOVERNMENT ORDER DEPT | | 1881409 | 72260 | CORBITT CO INC | | 1881409 | 72582 | ROLLS-ROYCE SOLUTIONS AMERICA INC | | 446170 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S | | 446170 | 24617 | GENERAL MOTORS CORP | | MILW1085TYPEA | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY SURFACE TREATMENT | | HOLE DIAMETER | 0.224 INCHES MINIMUM AND 0.244 INCHES MAXIMUM | | OVERALL DIAMETER | 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL | | NONDEFINITIVE SPEC/STD DATA | A TYPE | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THICKNESS | 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
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