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National Stock Number:
5305-00-298-8466
Federal Supply Class:
5305
National Item Identification Number:
002988466
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:
| 711819 | 99251 | MISSION SYSTEMS DAVENPORT INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.086 INCHES | | THREAD QUANTITY PER INCH | 64 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.172 INCHES MINIMUM | | FASTENER LENGTH | 0.233 INCHES MINIMUM AND | | 0.238 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY 360 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 3 | | HEAD DIAMETER | 0.328 INCHES NOMINAL | | HEAD HEIGHT | 0.096 INCHES NOMINAL | | POINT STYLE | FLAT | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.180 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.030 INCHES NOMINAL FIRST SHOULDER | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 99251 | | DESIGN CONTROL REFERENCE | 711819 |
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