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National Stock Number:
5305-01-146-4778
Federal Supply Class:
5305
National Item Identification Number:
011464778
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:
| 539128-3 | 96214 | RAYTHEON COMPANY | | CL-3-SHS-N-BO | 99862 | CARR LANE MANUFACTURING CO |
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Techincal Specification:
| FASTENER LENGTH | 2.000 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED AND FINISHED HEAD | | HEAD HEIGHT | 0.313 INCHES NOMINAL | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT STYLE | FULL DOG | | SHOULDER DIAMETER | 0.250 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.125 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | WITH NYLON 40 DEG SWIVEL FOOT | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.594 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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