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