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National Stock Number:
5305-00-025-0875
Federal Supply Class:
5305
National Item Identification Number:
000250875
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:
| 864212-3 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | FASTENER LENGTH | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.408 INCHES MINIMUM AND 0.468 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 4 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CL 310 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | POINT STYLE | FLAT | | SPECIAL FEATURES | EXPLOSIVE ORDNANCE DISPOSAL TOOLS/EQUIPMENT | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.367 INCHES MINIMUM AND 0.387 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 18 |
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