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National Stock Number:
5305-01-066-0043
Federal Supply Class:
5305
National Item Identification Number:
010660043
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:
| 502608-0001 | 65597 | THALES USA, INC. |
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Techincal Specification:
| FASTENER LENGTH | 2.340 INCHES NOMINAL | | HEAD HEIGHT | 0.343 INCHES NOMINAL | | HEAD DIAMETER | 1.250 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 4 | | MATERIAL DOCUMENT AND CLASSIFICATION | LEXAN GRFL-900 FSCM 24446 MFR REF SINGLE MATERIAL RESPONSE HEAD | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE GRIP | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE THREADS | | MATERIAL | PLASTIC HEAD | | MATERIAL | STEEL COMP 303 GRIP | | MATERIAL | STEEL COMP 303 THREADS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | +0.2088 TO 0.2108 INCHES | | POINT LENGTH | 0.120 INCHES NOMINAL | | POINT STYLE | FLAT | | POINT CHAMFER ANGLE | 120.0 DEGREES NOMINAL | | SURFACE TREATMENT | LACQUER ACRYLIC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.470 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 |
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