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National Stock Number:
5305-00-798-5078
Federal Supply Class:
5305
National Item Identification Number:
007985078
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:
| 5305007985078 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 53057985078 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 7985078 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| FASTENER LENGTH | 0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM | | HEAD HEIGHT | 0.672 INCHES MINIMUM AND 0.703 INCHES MAXIMUM | | HEAD STYLE | THUMB NO. 3 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1020 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT STYLE | FLAT | | WIDTH BETWEEN FLATS | 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 |
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