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National Stock Number:
5305-01-074-8929
Federal Supply Class:
5305
National Item Identification Number:
010748929
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:
| 12273976 | 19200 | US ARMY ARDEC RDECOM | | 12273976-1 | 19200 | US ARMY ARDEC RDECOM | | 5305010748929 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 13 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.261 INCHES NOMINAL | | FASTENER LENGTH | 4.000 INCHES NOMINAL | | MATERIAL | STEEL COMP 1015 OR | | STEEL COMP 1025 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR | | ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ENAMEL OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-E-52798A MIL SPEC 1ST TREATMENT RESPONSE OR | | MIL-E-52835 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 4 | | HEAD DIAMETER | 1.250 INCHES NOMINAL | | HEAD HEIGHT | 2.380 INCHES NOMINAL | | POINT STYLE | OVAL | | SHOULDER SHAPE | HEXAGONAL FIRST SHOULDER | | SHOULDER LENGTH | 0.312 INCHES NOMINAL FIRST SHOULDER |
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