|
|
|
National Stock Number:
5305-99-801-2057
Federal Supply Class:
5305
National Item Identification Number:
998012057
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).
|
Manufacturer Information:
| 3-4819-8-78 | K4340 | AIR-LOG LTD |
|
Techincal Specification:
| THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | ERR-030 | | FASTENER LENGTH | 79.50 MILLIMETERS MINIMUM AND 80.00 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 4.50 MILLIMETERS MINIMUM AND ERR-090 | | HEAD STYLE | ERR-020 | | MATERIAL DOCUMENT AND CLASSIFICATION | S S21 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OVERALL AND BS 970 PART 1 GRADE 070-20 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OVERALL AND USA AISI 1018 COLD DRAWN ASSN STD 3RD MATERIAL RESPONSE OVERALL AND USA AISI 1019 COLD DRAWN ASSN STD 4TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | POINT LENGTH | 0.055 INCHES NOMINAL | | POINT STYLE | CONE | | POINT CHAMFER ANGLE | 29.0 DEGREES MINIMUM AND 31.0 DEGREES MAXIMUM | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SPECIAL FEATURES | UNDERCUT SHANK | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 1 CLASS 1 FED SPEC 1ST TREATMENT RESPONSE OVERALL AND DEF-STAN 03-19 MIL STD 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 18.00 MILLIMETERS MINIMUM AND 19.00 MILLIMETERS MAXIMUM |
|
|