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National Stock Number:
5305-01-161-0345
Federal Supply Class:
5305
National Item Identification Number:
011610345
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:
| SM-C-807461 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNS | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 40 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.720 INCHES MINIMUM AND | | 0.740 INCHES MAXIMUM | | FASTENER LENGTH | 0.790 INCHES MINIMUM AND | | 0.810 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303SE OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.740 INCHES MINIMUM AND | | 0.760 INCHES MAXIMUM | | HEAD HEIGHT | 0.190 INCHES MINIMUM AND | | 0.210 INCHES MAXIMUM | | POINT STYLE | FLAT | | POINT LENGTH | 0.110 INCHES MINIMUM AND | | 0.130 INCHES MAXIMUM | | POINT CHAMFER ANGLE | 44.0 DEGREES MINIMUM AND | | 46.0 DEGREES MAXIMUM | | SPECIAL FEATURES | HEAD KNURL 96 DP DIAMOND |
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