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National Stock Number:
5305-01-614-1982
Federal Supply Class:
5305
National Item Identification Number:
016141982
Description:
SCREW,MACHINE
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
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Manufacturer Information:
| R632-3/4 | 4XVX3 | SURE SEAL CONNECTORS |
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Techincal Specification:
| BEARING SURFACE OF HEAD SURFACE TREATMENT | PASSIVATE | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | FEATURES PROVIDED | O RING | | HEAD DIAMETER | 0.294 INCHES MAXIMUM | | HEAD HEIGHT | 0.097 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | HEAD SURFACE TREATMENT | PASSIVATE | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE III | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SEALING SCREW | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SCREW MATERIAL | STEEL CORROSION RESISTING | | SCREW SURFACE TREATMENT | PASSIVATE | | SHANK SURFACE TREATMENT | PASSIVATE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | SPECIAL FEATURES | THIS HAS AN UNDERCUT-CLEAR HOLE FOR AN 0-RING TO MAKE THIS AN AIR, WATER OR GAS-TIGHT SEAL; THE UNDERCUT IS 0.147 INCHES MINIMUM AND 0.152 INCHES MAXIMUM; O-RING IS MADE OF SILICONE RUBBER |
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