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National Stock Number: 5305-01-412-1449
Federal Supply Class: 5305
National Item Identification Number: 014121449
Description: SCREW,ASSEMBLED WASHER
Detail: A SCREW, (as modified) to which has been assembled one or more nonremovable washer(s).
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Manufacturer Information:
NAS720B4-3 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNC | NOMINAL THREAD DIAMETER | 0.112 INCHES | THREAD QUANTITY PER INCH | 40 | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.107 INCHES NOMINAL | FASTENER LENGTH | 0.188 INCHES NOMINAL | MATERIAL | COPPER ALLOY OVERALL | SURFACE TREATMENT | TIN OVERALL | HEAD STYLE | PAN NO. 2 | HEAD DIAMETER | 0.205 INCHES MINIMUM AND | | 0.219 INCHES MAXIMUM | HEAD HEIGHT | 0.058 INCHES MINIMUM AND | | 0.068 INCHES MAXIMUM | INTERNAL DRIVE STYLE | SLOT | WASHER QUANTITY | 2 | PRIMARY WASHER STYLE | SPLIT HELICAL RING | PRIMARY WASHER OUTSIDE DIAMETER | 0.209 INCHES MINIMUM | PRIMARY WASHER MATERIAL THICKNESS | 0.025 INCHES NOMINAL | SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER | NOT IDENTICAL | SECONDARY WASHER STYLE | FLAT | SECONDARY WASHER OUTSIDE DIAMETER | 0.213 INCHES MINIMUM AND | | 0.223 INCHES MAXIMUM | SECONDARY WASHER MATERIAL THICKNESS | 0.013 INCHES MINIMUM AND | | 0.019 INCHES MAXIMUM | SPECIFICATION/STANDARD DATA | 80205-NAS720 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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