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National Stock Number:
5305-01-395-7829
Federal Supply Class:
5305
National Item Identification Number:
013957829
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:
| 5295154PCT126A | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5295154PCT126A | 82522 | PUGET SOUND NAVAL SHIPYARD AND INTERMEDIATE MAINTENCE FACILITY | | 802-5295154PCT126A | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.639 INCHES MINIMUM AND | | 1.750 INCHES MAXIMUM | | FASTENER LENGTH | 1.750 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CHROMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
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