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National Stock Number:
5305-01-303-9647
Federal Supply Class:
5305
National Item Identification Number:
013039647
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:
| 21047785-101 | 81395 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | | 9B41-A132B | 59076 | DESIGNATRONICS INC STOCK DRIVE PRODUCTS DIV |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.410 INCHES NOMINAL | | FASTENER LENGTH | 0.720 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | SURFACE TREATMENT | NICKEL OVERALL | | HEAD STYLE | KNURLED NO. 2 | | HEAD DIAMETER | 0.440 INCHES NOMINAL | | HEAD HEIGHT | 0.190 INCHES NOMINAL | | POINT STYLE | FLAT | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.380 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.120 INCHES NOMINAL FIRST SHOULDER |
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