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National Stock Number:
5305-01-336-7543
Federal Supply Class:
5305
National Item Identification Number:
013367543
Description:
THUMBSCREW
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).
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Manufacturer Information:
| 23-12036-012 | 64678 | DAIMLER TRUCK NORTH AMERICA LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.389 INCHES NOMINAL | | FASTENER LENGTH | 1.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 49-00005-103,CAGEC 64678 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | WING NO. 4 | | HEAD HEIGHT | 0.610 INCHES MINIMUM AND | | 0.880 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.380 INCHES MINIMUM AND | | 1.750 INCHES MAXIMUM | | POINT STYLE | POINTLESS | | SPECIAL FEATURES | APPLY NYLON THREAD LOCKING COMPOUND 0.500 IN. LG ON THREADED AREA |
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