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National Stock Number:
5305-01-391-4401
Federal Supply Class:
5305
National Item Identification Number:
013914401
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:
| 1680-ALSE-277-1 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND | | 92B8464 | 97427 | GENTEX CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.106 INCHES | | THREAD QUANTITY PER INCH | 40 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.281 INCHES NOMINAL | | FASTENER LENGTH | 0.906 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CL 430,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE AND | | OXIDE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 TY VI,VII,VIII FED SPEC 1ST TREATMENT RESPONSE AND | | MIL-C-13924 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 4 | | HEAD DIAMETER | 0.500 INCHES NOMINAL | | HEAD HEIGHT | 0.125 INCHES NOMINAL |
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