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National Stock Number:
5305-01-200-7570
Federal Supply Class:
5305
National Item Identification Number:
012007570
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:
| 2309116 | 22380 | DRS PHOTRONICS, INC. DBA DRS PHOTRONICS, INC. | | 2309116 | 54089 | DRS C3 & AVIATION COMPANY | | 4050 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | PQ-41-3 | 29440 | W. M. BERG INC | | PQ41-3 | 29440 | W. M. BERG INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES NOMINAL | | FASTENER LENGTH | 1.000 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.190 INCHES NOMINAL | | POINT STYLE | POINTLESS | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 54089 | | MFR SOURCE CONTROLLING REFERENCE | 2309116 |
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