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National Stock Number:
5305-00-803-8241
Federal Supply Class:
5305
National Item Identification Number:
008038241
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:
| 51217 | 09790 | EATON AEROSPACE LLC DBA STERER ENGINEERING DIV VALVE & ACTUATOR |
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Techincal Specification:
| FASTENER LENGTH | 0.312 INCHES NOMINAL | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM | | HEAD STYLE | FILLISTER | | HEAD HOLE CONFIGURATION STYLE | ROUND | | HOLE DIAMETER | 0.062 INCHES NOMINAL | | HOLE QUANTITY | 1 | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SCREW MATERIAL | STEEL COMP 430 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CL 430,COND A FED SPEC 1ST MATERIAL RESPONSE OR MIL-S-7720,COMP 302 FED SPEC 2ND MATERIAL RESPONSE OR MIL-S-7720,COMP 303S FED SPEC 3RD MATERIAL RESPONSE OR MIL-S-18732 FED SPEC 4TH MATERIAL RESPONSE | | SCREW SURFACE TREATMENT | PASSIVATE | | SPECIAL FEATURES | SHANK DRILLED AXIALLY,0.159 IN. DIA OF HOLE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.312 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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