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National Stock Number:
5305-01-541-7402
Federal Supply Class:
5305
National Item Identification Number:
015417402
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:
| 6157U-SS-2520-7 | 06540 | NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV | | 6157U-SS-2520-7 | 1YGB8 | CAREY MANUFACTURING CO, INC | | 7687-15934-001 | 14170 | HUGHES MISSILE SYSTEMS CO SAN DIEGO | | 7687-15934-001 | 15090 | RAYTHEON COMPANY |
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Techincal Specification:
| FASTENER LENGTH | 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM | | HEAD DIAMETER | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, PANEL, CAPTIVE | | SPECIAL FEATURES | BODY DIA. IS0.170/0.180 INCH ROUND UNDERCUT | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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