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National Stock Number:
5305-00-143-0630
Federal Supply Class:
5305
National Item Identification Number:
001430630
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:
| 1581 | 06650 | BELL AND HOWELL PHILLIPSBURG CO CORPORATE OFFICES | | 1587 | 06650 | BELL AND HOWELL PHILLIPSBURG CO CORPORATE OFFICES |
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Techincal Specification:
| COUNTERSINK ANGLE | 82.0 DEGREES MINIMUM AND 83.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.464 INCHES MINIMUM AND 0.474 INCHES MAXIMUM | | HEAD DIAMETER | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | HEAD STYLE | OVAL COUNTERSUNK | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | 14-6-631-315,FSCM 06650 MFR REF SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.354 INCHES MINIMUM AND 0.364 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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