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National Stock Number:
5305-00-824-5520
Federal Supply Class:
5305
National Item Identification Number:
008245520
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:
| 10548357-2 | 19200 | US ARMY ARDEC RDECOM | | 5305008245520 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
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Techincal Specification:
| FASTENER LENGTH | 2.938 INCHES NOMINAL | | HEAD HEIGHT | 0.312 INCHES NOMINAL | | HEAD DIAMETER | 1.250 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | ALUMINUM ALLOY 6061 OR STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | POINT STYLE | FLAT | | SHOULDER DIAMETER | 0.344 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 1.813 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | HEAD PAINTED OLIVE DRAB COLOR 124087 FED STD 595,ONE 0.062 IN. DIA DRILLED HOLE,2.845 IN. FROM HEAD | | SURFACE TREATMENT | PAINT HEAD | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 1.125 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 24 |
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