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National Stock Number:
5305-00-045-8102
Federal Supply Class:
5305
National Item Identification Number:
000458102
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:
| 32-87031-11 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.550 INCHES MAXIMUM | | FASTENER LENGTH | 1.320 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MAC PSI3101,TY 2,CL 3,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 4 | | HEAD DIAMETER | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.430 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | ROUND LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 1 | | HOLE DIAMETER | 0.089 INCHES NOMINAL | | POINT STYLE | FLAT | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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