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National Stock Number:
5305-01-309-9466
Federal Supply Class:
5305
National Item Identification Number:
013099466
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:
| J86T0006-1 | 12464 | MCDONNELL DOUGLAS CORP MCDONNELL DOUGLAS ELECTRONIC SYSTEMS CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.100 INCHES MINIMUM | | FASTENER LENGTH | 1.580 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY HEAD | | STEEL COMP 303 FASTENER | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE FASTENER | | SURFACE TREATMENT | ANODIZE HEAD | | PASSIVATE FASTENER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE HEAD | | SPS 03301,TY1,CAGE 12464 MFR REF SINGLE TREATMENT RESPONSE FASTENER | | HEAD STYLE | PALM GRIP | | HEAD HEIGHT | 1.000 INCHES MINIMUM AND | | 1.250 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.875 INCHES MINIMUM AND | | 2.125 INCHES MAXIMUM | | SPECIAL FEATURES | HOLE IN HEAD,NOM 0.078 DIA THROUGH,NOM 0.109 DIA X45 DEGREE COUNTERSINK BOTH SIDED; FURNISH WITH PIN,SPRING SLOTTED |
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