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National Stock Number:
5305-01-628-5883
Federal Supply Class:
5305
National Item Identification Number:
016285883
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:
| 167-7066800-68 | 53711 | NAVAL SEA SYSTEMS COMMAND | | H547-1803-68 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 1.770 INCHES NOMINAL | | HEAD DIAMETER | 2.250 INCHES NOMINAL | | HEAD HEIGHT | 0.620 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 2 | | MATERIAL | NICKEL ALLOY K-500 OR NICKEL ALLOY 502 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.760 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNC |
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