|
|
|
National Stock Number:
5305-01-385-2322
Federal Supply Class:
5305
National Item Identification Number:
013852322
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:
| A55F13658-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A55F13658-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
|
Techincal Specification:
| FASTENER LENGTH | 2.560 INCHES NOMINAL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.680 INCHES NOMINAL | | HEAD HEIGHT | 0.630 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 4 | | HOLE CONFIGURATION STYLE | ROUND | | HOLE DIAMETER | 0.069 INCHES MINIMUM AND 0.074 INCHES MAXIMUM | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-12 OVERALL | | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SPECIAL FEATURES | 0.045 IN. MIN AND 0.050 IN. MAX HOLE IN SHANK, 0.130 IN.DNNNN DISTANCE IN THREADED END | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
|
|