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National Stock Number:
5305-01-341-8638
Federal Supply Class:
5305
National Item Identification Number:
013418638
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:
| 18-72002-12 | 8X691 | SIERRA NEVADA COMPANY, LLC | | R/4-40 X 3/8" | 97539 | APM HEXSEAL CORP | | R/4-40 X 3/8" | 97539 | APM HEXSEAL CORP | | R/4-40 X 3/8' | 97539 | APM HEXSEAL CORP | | R/4-40X.375 | 97539 | APM HEXSEAL CORP |
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Techincal Specification:
| FASTENER LENGTH | 0.375 INCHES NOMINAL | | FEATURES PROVIDED | O RING | | HEAD DIAMETER | 0.238 INCHES MAXIMUM | | HEAD HEIGHT | 0.080 INCHES MAXIMUM | | HEAD STYLE | WATERTIGHT | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SCREW MATERIAL | STEEL COMP 302 | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | PASSIVATE | | SPECIAL FEATURES | O RING FLUOROSILICONE RUBBER,COLOR BLUE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.325 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 40 |
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