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National Stock Number:
5305-00-010-8402
Federal Supply Class:
5305
National Item Identification Number:
000108402
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:
| 10187251 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 1.180 INCHES MINIMUM AND 1.220 INCHES MAXIMUM | | HEAD HEIGHT | 1.280 INCHES MINIMUM AND 1.320 INCHES MAXIMUM | | HEAD STYLE | THUMB NO. 7 | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | POINT STYLE | FLAT | | SPECIAL FEATURES | HOLE TAPPED IN HEAD LONGITUDINAL TO AXIS 10-32-UNF-2BX0.500DEEP | | WIDTH BETWEEN FLATS | 1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.669 INCHES MINIMUM AND 0.820 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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