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National Stock Number:
5305-00-231-2455
Federal Supply Class:
5305
National Item Identification Number:
002312455
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:
| 253122 | 0KDP7 | KIDDE-FENWAL, LLC | | 253122 | 61423 | KIDDE TECHNOLOGIES, INC |
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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 | 0.250 INCHES MAXIMUM | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | STEEL COMP 302 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 520002 FSCM 33525 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | THUMB NO. 3 | | HEAD HEIGHT | 0.453 INCHES MINIMUM AND | | 0.483 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.395 INCHES MINIMUM AND | | 0.425 INCHES MAXIMUM | | POINT STYLE | FLAT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.120 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.250 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 61423 | | DESIGN CONTROL REFERENCE | 253122 |
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