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National Stock Number:
5305-01-398-0772
Federal Supply Class:
5305
National Item Identification Number:
013980772
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:
| 211045978 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 438-6404469-36 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 438-6404476-34 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 438-6404478-8 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 438-6726443-16A | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6404394 FIND 2 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6404450 FIND 18 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| COLOR | GRAY/GREY OVERALL | | FASTENER LENGTH | 1.600 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | STEEL COMP 304 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SURFACE TREATMENT | ENAMEL SEMIGLOSS OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.600 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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