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National Stock Number:
5305-00-276-3283
Federal Supply Class:
5305
National Item Identification Number:
002763283
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:
| 8Z938PC2 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| FASTENER LENGTH | 2.500 INCHES NOMINAL | | HEAD DIAMETER | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM | | HEAD HEIGHT | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | MATERIAL | STEEL COMP 1021 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | POINT STYLE | POINTLESS | | SPECIAL FEATURES | DOG POINT 0.10 IN. PORM .005 BY 0.50 IN. PORM .010 LG | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 24 |
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