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National Stock Number:
5305-00-582-6111
Federal Supply Class:
5305
National Item Identification Number:
005826111
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:
| 118161 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 540-8004-002 | 13499 | ROCKWELL COLLINS, INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | THREAD QUANTITY PER INCH | 40 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.287 INCHES MINIMUM | | FASTENER LENGTH | 0.438 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.313 INCHES NOMINAL | | HEAD HEIGHT | 0.406 INCHES NOMINAL | | POINT STYLE | FLAT | | SPECIAL FEATURES | UNTHREADED PORTION UNDERCUT 0.080 IN. MIN,0.083 IN. MAX DIA,0.066 IN. MIN,0.176 IN. MAX LG |
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