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National Stock Number:
5305-00-473-4053
Federal Supply Class:
5305
National Item Identification Number:
004734053
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:
| 228-47-023PC41 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 312-3604-982130ALT1PC10 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | GCP179PC41 | 16062 | M.T. DAVIDSON COMPANY | | 385-3604-984538PC10 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 563-3604-982802ALT1PC10 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | FFS92TYPE1STYLE4S | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | GCP223PC41 | 16062 | M.T. DAVIDSON COMPANY |
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Techincal Specification:
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY THREAD CLASS AND MATERIAL | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | HEAD DIAMETER | 0.490 INCHES MINIMUM AND 0.518 INCHES MAXIMUM | | HEAD HEIGHT | 0.194 INCHES MINIMUM AND 0.211 INCHES MAXIMUM | | HEAD STYLE | FILLISTER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 4S STYLE | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CL A FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281,CL B FED SPEC 2ND MATERIAL RESPONSE | | SCREW MATERIAL | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.389 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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