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National Stock Number:
5305-00-601-7445
Federal Supply Class:
5305
National Item Identification Number:
006017445
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:
| 996440-01 | 35351 | GE AVIATION SYSTEMS LLC |
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Techincal Specification:
| FASTENER LENGTH | 1.750 INCHES MAXIMUM | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | HEAD STYLE | THUMB NO. 1 | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL | | POINT STYLE | FLAT | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC | | WIDTH BETWEEN FLATS | 1.750 INCHES NOMINAL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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