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National Stock Number:
5305-00-119-4584
Federal Supply Class:
5305
National Item Identification Number:
001194584
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:
| HP558107 | 70236 | TACTAIR FLUID CONTROLS INC | | HP558107 | 84685 | TELEDYNE HYDRA-POWER DIV OF TELEDYNE INC |
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Techincal Specification:
| FASTENER LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM | | HEAD HEIGHT | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | POINT STYLE | FLAT | | SPECIAL FEATURES | TWO HOLES 90 DEG APART IN THD PORTION W/NYLON INSERTS FOR LOCKING FEATURE | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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