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National Stock Number:
5305-01-668-4242
Federal Supply Class:
5305
National Item Identification Number:
016684242
Description:
THUMBSCREW
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Manufacturer Information:
| MC520006-136 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 3.50 INCHES NOMINAL | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 1.5 INCHES NOMINAL | | HEAD HEIGHT | 0.50 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL | STEEL OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | LARGE THUMBSCREW | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SHOULDER DIAMETER | 0.506 INCHES MINIMUM AND 0.516 INCHES MAXIMUM ALL SHOULDERS | | SHOULDER SHAPE | ROUND ALL SHOULDERS | | SHOULDER LENGTH | 2.75 INCHES NOMINAL ALL SHOULDERS | | SPECIAL FEATURES | HAS CENTRALLY LOCATED HOLE IN TOP OF HEAD WITH .250-20 UNC-2B THREADING .38 INCHES DEEP | | SURFACE TREATMENT | NICKEL OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.75 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNC |
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