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National Stock Number:
5305-01-497-0325
Federal Supply Class:
5305
National Item Identification Number:
014970325
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:
| 0.312-18UNC-2AX0.750LG NICU | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 566-7067165 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 566-7067165-24 | 53711 | NAVAL SEA SYSTEMS COMMAND | | FF-S-92 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | H625-0303-24 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.162 INCHES MINIMUM AND 0.178 INCHES MAXIMUM | | HEAD DIAMETER | 0.594 INCHES MINIMUM AND 0.615 INCHES MAXIMUM | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | SLOT | | LOCKING FEATURE | PATCH OR PELLET OR STRIP | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | NONDEFINITIVE SPEC/STD DATA | I TYPE AND 9S STYLE | | SCREW MATERIAL | NICKEL ALLOY 400 | | SPECIAL FEATURES | USED ON RETRACTABLE BOW PLANE GUIDE RAIL ASSEMBLY OF NSSN CLASS SUBMARINE;DISTRIBUTION STATEMENT D - EXPORT CONTROLLED | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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