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National Stock Number:
5305-01-277-4337
Federal Supply Class:
5305
National Item Identification Number:
012774337
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:
| 315059 | 1UVT5 | BRP US INC | | 315059 | 80256 | OUTBOARD MARINE CORP |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | MATERIAL | STEEL COMP 1117 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 1117 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | POINT STYLE | CHAMFER DOG | | POINT LENGTH | 0.075 INCHES NOMINAL | | POINT DIAMETER | 0.255 INCHES NOMINAL | | SPECIAL FEATURES | 64 DIAMETRAL PITCH STRAIGHT KNURL AFTER GROOVE; .325 DIA MIN. AFTER HEAD KNURL |
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