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National Stock Number:
5305-01-444-6657
Federal Supply Class:
5305
National Item Identification Number:
014446657
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:
| 65700-70025-133 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | LEFT-HAND | | THREAD LENGTH | 3.000 INCHES NOMINAL | | FASTENER LENGTH | 3.180 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SPECIAL FEATURES | HEADLESS WITH OFFSET KNURLRD THUMB SHOULDER |
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