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National Stock Number:
5305-01-129-4358
Federal Supply Class:
5305
National Item Identification Number:
011294358
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:
| 1935AS421-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 297-04SS-6-32E | 57177 | PROMPTUS ELECTONIC HARDWARE INC | | 297-04SS6-32 | 57177 | PROMPTUS ELECTONIC HARDWARE INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.303 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | FASTENER LENGTH | 0.365 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.375 INCHES MINIMUM AND | | 0.395 INCHES MAXIMUM | | HEAD HEIGHT | 0.298 INCHES MINIMUM AND | | 0.328 INCHES MAXIMUM | | POINT STYLE | FLAT |
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