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National Stock Number:
5305-01-328-4535
Federal Supply Class:
5305
National Item Identification Number:
013284535
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:
| C5080722 | 57946 | US ARMY COMBAT SURVEILLANCE AND TARGET ACQUISITION LABORATORY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES NOMINAL | | FASTENER LENGTH | 0.875 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2CL3 FED SPEC 1ST TREATMENT RESPONSE OVERALL | | HEAD STYLE | THUMB NO. 4 | | HEAD HEIGHT | 0.080 INCHES MINIMUM AND | | 0.090 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.440 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | SPECIAL FEATURES | ONE 0.144 IN.DIA HOLE ON 0.240 INBY 0.060 IN.MTG CTR IN HEAD |
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