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National Stock Number:
5305-00-273-7583
Federal Supply Class:
5305
National Item Identification Number:
002737583
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:
| 271-3604-957647PC27 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 2965-202ALT5PC27 | 96169 | ELECTRIC BOAT CORPORATION | | 312-3604-982127PC27 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 319-3604-1188274ALT2PC27 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 340-3604-999829ALTAPC27 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 3604-162453ALT15PC27 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 3604-805274REVAPC27 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 403-3604-984536ALT4PC27 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 563-3604-982800PC27 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 564-3604-936292ALT5PC27 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 571-3604-1302166REVAPC27 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 49M68-33PC50 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM | | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY MATERIAL | | FASTENER LENGTH | 1.500 INCHES NOMINAL | | HEAD DIAMETER | 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 2S 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 | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.400 INCHES MINIMUM AND 1.500 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 20 |
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