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National Stock Number:
5305-01-376-3572
Federal Supply Class:
5305
National Item Identification Number:
013763572
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:
| CTS230B-11-N | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| COLOR | BLACK OVERALL | | FASTENER LENGTH | 1.620 INCHES MINIMUM AND 1.830 INCHES MAXIMUM | | HEAD DIAMETER | 1.000 INCHES MINIMUM AND 1.250 INCHES MAXIMUM | | HEAD HEIGHT | 0.375 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 1 | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | POINT STYLE | BALL | | SPECIAL FEATURES | LARGE NYLON SWIVEL THREADED REMOVABLE FOOT 0.296 IN DIA | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.433 INCHES MINIMUM AND 1.643 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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