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National Stock Number:
5310-00-892-1894
Federal Supply Class:
5310
National Item Identification Number:
008921894
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:
| 002802 | 34228 | L3 TECHNOLOGIES, INC. | | 1650407-39 | 56232 | LOCKHEED MARTIN CORPORATION | | 1754570-39 | 07187 | HONEYWELL INTERNATIONAL INC. | | 168-30-00-48 | 25549 | LITTON SYSTEMS INC AMECOM DIV | | 168-30-00-48 | 92755 | NORTHROP GRUMMAN SYSTEMS CORP | | 419366-55 | 96214 | RAYTHEON COMPANY | | B8-9 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | 721598-31 | 05869 | RAYTHEON COMPANY | | BCS-A82 | 0MTR9 | NORDEX, INCORPORATED | | A547-359 | 34228 | L3 TECHNOLOGIES, INC. | | 547A002802 | 34228 | L3 TECHNOLOGIES, INC. | | BCS-A82 | 56262 | NORDEX INC | | 900609-1 | 92755 | NORTHROP GRUMMAN SYSTEMS CORP | | 547A002802 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | G70-9 | 00328 | DESIGNATRONICS INCORPORATED | | SS2-32 | 29440 | W. M. BERG INC | | DB8D9 | 29964 | ALLIED DEVICES CORP DBA ABSOLUTE PRECISION CO | | SM-C-772659-10 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR QQ-S-766 FED SPEC 3RD MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.061 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
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