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National Stock Number: 5305-00-113-3764
Federal Supply Class: 5305
National Item Identification Number: 001133764
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:
573A | 80138 | KAY ELEMETRICS CORPORATION | 573B | 80138 | KAY ELEMETRICS CORPORATION |
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Techincal Specification:
FASTENER LENGTH | 0.496 INCHES MINIMUM AND 0.506 INCHES MAXIMUM | HEAD DIAMETER | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM | HEAD HEIGHT | 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM | HEAD STYLE | KNURLED NO. 1 | POINT STYLE | FLAT | SHOULDER LENGTH | 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM FIRST SHOULDER | SHOULDER SHAPE | ROUND FIRST SHOULDER | THREAD CLASS | 1A | THREAD LENGTH | 0.437 INCHES MINIMUM AND 0.447 INCHES MAXIMUM |
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