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National Stock Number:
5305-01-220-0189
Federal Supply Class:
5305
National Item Identification Number:
012200189
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:
| 942AS119 | 02708 | AGE LOGISTICS CORPORATION | | 942AS119 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| FASTENER LENGTH | 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM | | HEAD HEIGHT | 0.920 INCHES MINIMUM AND 0.950 INCHES MAXIMUM | | HEAD STYLE | THUMB NO. 3 | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | POINT STYLE | FLAT | | SHOULDER DIAMETER | 0.710 INCHES MINIMUM AND 0.760 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | GRIND FLAT PORTION OF THREAD TO 0.310 | | WIDTH BETWEEN FLATS | 0.800 INCHES MINIMUM AND 0.830 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.845 INCHES MINIMUM AND 1.030 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 16 |
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