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National Stock Number:
5305-01-191-3115
Federal Supply Class:
5305
National Item Identification Number:
011913115
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:
| 569942-1 | 3B150 | RAYTHEON COMPANY | | 569942-1 | 49956 | RAYTHEON COMPANY | | 569942-1 | 54X10 | RAYTHEON COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.800 INCHES MINIMUM AND | | 0.820 INCHES MAXIMUM | | FASTENER LENGTH | 0.964 INCHES MINIMUM AND | | 0.984 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC 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. 4 | | HEAD DIAMETER | 0.740 INCHES MINIMUM AND | | 0.760 INCHES MAXIMUM | | HEAD HEIGHT | 0.370 INCHES MINIMUM AND | | 0.390 INCHES MAXIMUM | | POINT STYLE | FLAT | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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