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National Stock Number:
5305-00-935-3047
Federal Supply Class:
5305
National Item Identification Number:
009353047
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:
| 114S5816 | 77272 | THE BOEING COMPANY | | 114S5816-2 | 77272 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM | | HEAD DIAMETER | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM | | HEAD HEIGHT | 0.180 INCHES MINIMUM AND 0.220 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 302,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.125 INCHES | | POINT STYLE | FLAT | | SHOULDER DIAMETER | 0.140 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.380 INCHES NOMINAL FIRST SHOULDER | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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