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National Stock Number:
5305-01-628-3783
Federal Supply Class:
5305
National Item Identification Number:
016283783
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:
| 06A8139122 | 5B5M3 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER DIV DEPT OF ARMY | | CL-1-SHK2T | 99862 | CARR LANE MANUFACTURING CO |
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Techincal Specification:
| COLOR | BLACK THREADS | | COLOR | SILVER GRIP | | FASTENER LENGTH | 0.875 INCHES MINIMUM AND 1.125 INCHES MAXIMUM | | HEAD HEIGHT | 1.33 INCHES NOMINAL | | HEAD STYLE | PALM GRIP | | MATERIAL | ALUMINUM ALLOY GRIP | | MATERIAL | STEEL COMP 12L14 THREADS | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | 1/4"-20X1" LG.THUMB SCREW | | PROPRIETARY CHARACTERISTICS | NPAC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 1.75 INCHES NOMINAL | | SURFACE TREATMENT | OXIDE THREADS | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES MINIMUM AND 1.125 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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