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National Stock Number:
5305-00-206-6051
Federal Supply Class:
5305
National Item Identification Number:
002066051
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:
| 34-274 | 81413 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | | 57-3047 | 77885 | SEEBURG CORP THE SEEBURG PRODUCTS DIV |
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Techincal Specification:
| FASTENER LENGTH | 0.345 INCHES NOMINAL | | HEAD DIAMETER | 0.219 INCHES NOMINAL | | HEAD HEIGHT | 0.074 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | NOMINAL THREAD DIAMETER | 0.099 INCHES | | POINT STYLE | FLAT | | SHOULDER DIAMETER | 0.113 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.240 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.105 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 56 | | THREAD SERIES DESIGNATOR | UNF |
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