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National Stock Number:
5305-01-046-8488
Federal Supply Class:
5305
National Item Identification Number:
010468488
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:
| 074-003453 | 26916 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD DIAMETER | 0.139 INCHES MINIMUM AND 0.141 INCHES MAXIMUM | | HEAD HEIGHT | 0.090 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | HOLE CONFIGURATION STYLE | ROUND | | HOLE DIAMETER | 0.046 INCHES NOMINAL | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | COMP 16-18 ASSN STD 5TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | POINT STYLE | FLAT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OR PLASTIC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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