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National Stock Number:
5305-00-256-7295
Federal Supply Class:
5305
National Item Identification Number:
002567295
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:
| 44113 | 96027 | NORTHWESTERN TOOLS INC. | | 875182 | 09786 | ORDNANCE SUPPLY OFFICE | | H385 | 96027 | NORTHWESTERN TOOLS INC. |
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Techincal Specification:
| FASTENER LENGTH | 4.876 INCHES MINIMUM AND 4.938 INCHES MAXIMUM | | HEAD DIAMETER | 0.875 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1213 OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | POINT DIAMETER | 0.308 INCHES NOMINAL | | POINT LENGTH | 0.266 INCHES NOMINAL | | POINT STYLE | BALL | | SPECIAL FEATURES | POINT GROOVED FOR RETAINING SPRING | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 3.922 INCHES MINIMUM AND 3.984 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 16 |
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