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National Stock Number:
5305-01-090-4086
Federal Supply Class:
5305
National Item Identification Number:
010904086
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:
| 5177970 PIECE 1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.202 INCHES MINIMUM AND | | 0.222 INCHES MAXIMUM | | FASTENER LENGTH | 0.985 INCHES MINIMUM AND | | 1.015 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OR | | STEEL COMP 303SE OR | | STEEL COMP 303MA OR | | STEEL COMP 303PB OR | | STEEL COMP 303 PLUS X OR | | STEEL COMP 304 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 4 | | HEAD DIAMETER | 0.307 INCHES MINIMUM AND | | 0.317 INCHES MAXIMUM | | HEAD HEIGHT | 0.235 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM | | POINT STYLE | CONE | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.080 INCHES MINIMUM AND | | 0.120 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.685 INCHES MINIMUM AND | | 0.705 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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