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National Stock Number:
5305-00-682-5798
Federal Supply Class:
5305
National Item Identification Number:
006825798
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:
| 10032555 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 2102052 | 28527 | L3HARRIS TECHNOLOGIES, INC. |
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Techincal Specification:
| FASTENER LENGTH | 3.500 INCHES MINIMUM AND 3.620 INCHES MAXIMUM | | HEAD DIAMETER | 1.250 INCHES NOMINAL | | HEAD HEIGHT | 0.690 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 2 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637,COMP FS1112 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | POINT DIAMETER | 0.250 INCHES NOMINAL | | POINT LENGTH | 1.500 INCHES MINIMUM AND 1.620 INCHES MAXIMUM | | POINT STYLE | BALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.820 INCHES MINIMUM AND 2.060 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 16 |
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