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National Stock Number:
5305-01-368-8439
Federal Supply Class:
5305
National Item Identification Number:
013688439
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:
| 4087-15005-001 | 14170 | HUGHES MISSILE SYSTEMS CO SAN DIEGO | | 4087-15005-001 | 15090 | RAYTHEON COMPANY | | CL-33-SHS-S | 99862 | CARR LANE MANUFACTURING CO |
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Techincal Specification:
| NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.594 INCHES NOMINAL | | FASTENER LENGTH | 3.000 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | POINT STYLE | UNIVERSAL | | POINT LENGTH | 0.281 INCHES NOMINAL | | POINT DIAMETER | 0.250 INCHES NOMINAL | | SPECIAL FEATURES | THE FOOT AT THE END OF THE TREADED END WILL SWIVEL 10 DEGREES OFF CENTERLINE |
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