|
|
|
National Stock Number:
5305-01-255-4613
Federal Supply Class:
5305
National Item Identification Number:
012554613
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:
| 8401957-3 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 8401957-3 | 17863 | LITTON SYSTEMS INC GUIDANCE AND CONTROL SYSTEMS DIV |
|
Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.380 INCHES MINIMUM | | FASTENER LENGTH | 1.380 INCHES NOMINAL | | MATERIAL | STEEL COMP 303SE OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 4 | | HEAD DIAMETER | 0.370 INCHES NOMINAL | | HEAD HEIGHT | 0.500 INCHES NOMINAL | | POINT STYLE | CONE | | SPECIAL FEATURES | FURNISHED WITH UNDERCUT 0.018 IN. MIN. 0.020 IN. MAX LENGTH AND 0.095 IN. MIN. 0.097 IN. MAX DIA | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
|
|