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National Stock Number:
5305-01-322-8767
Federal Supply Class:
5305
National Item Identification Number:
013228767
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:
| 707-343-1 | 81579 | MASON ELECTRIC CO. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.094 INCHES NOMINAL | | FASTENER LENGTH | 1.100 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 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 TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.520 INCHES NOMINAL | | HEAD HEIGHT | 0.380 INCHES NOMINAL | | POINT STYLE | FULL DOG | | SPECIAL FEATURES | THUMBSCREW HAS 0.060 IN. THREAD RELIEF |
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