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National Stock Number:
5305-00-026-8763
Federal Supply Class:
5305
National Item Identification Number:
000268763
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:
| A8836617-1 | 21921 | RCA CORP DISTRIBUTOR AND SPECIAL PRODUCTS DIV | | A8836617-1 | 49671 | LOCKHEED MARTIN CORP LOCKHEED MARTIN INFORMATION SYSTEMS AUTOMATED SPARES |
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Techincal Specification:
| FASTENER LENGTH | 0.469 INCHES NOMINAL | | HEAD DIAMETER | 0.250 INCHES NOMINAL | | HEAD HEIGHT | 0.469 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | POINT CHAMFER ANGLE | 122.0 DEGREES NOMINAL | | POINT LENGTH | 0.031 INCHES NOMINAL | | POINT STYLE | CONE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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