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National Stock Number:
5305-00-366-3104
Federal Supply Class:
5305
National Item Identification Number:
003663104
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:
| 8104170 | 24617 | GENERAL MOTORS CORP | | 8104170 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |
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Techincal Specification:
| FASTENER LENGTH | 1.021 INCHES MINIMUM AND 1.041 INCHES MAXIMUM | | HEAD DIAMETER | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | | HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OR SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1117 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | POINT DIAMETER | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM | | POINT LENGTH | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM | | POINT STYLE | DOG | | SPECIAL FEATURES | DRILLED HOLE 0.094 IN. DIA 0.156 IN. LG ALONG CENTERLINE OF POINT | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.886 INCHES MINIMUM AND 0.926 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 24 |
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