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National Stock Number:
5305-00-443-5869
Federal Supply Class:
5305
National Item Identification Number:
004435869
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:
| 39276-4 | 70210 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| FASTENER LENGTH | 4.240 INCHES MINIMUM AND 4.260 INCHES MAXIMUM | | HEAD DIAMETER | 0.243 INCHES MINIMUM AND 0.249 INCHES MAXIMUM | | HEAD HEIGHT | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5736 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | POINT STYLE | FLAT | | SHOULDER DIAMETER | 0.136 INCHES MINIMUM AND 0.141 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 3.720 INCHES MINIMUM AND 3.780 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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