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National Stock Number:
5305-00-275-8438
Federal Supply Class:
5305
National Item Identification Number:
002758438
Description:
SETSCREW
Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.
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Manufacturer Information:
| 123-4403549 PIECE 7 | 43689 | HUNTINGTON INGALLS INC | | 4700-3163646PC29 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | R204PC29 | 63857 | CIRCOR NAVAL SOLUTIONS LLC | | 563-4105-938325PC29 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 563-4105-938325PCSP15 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 569-4700-1189569PC5P15 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | R205PCSP15 | 63857 | CIRCOR NAVAL SOLUTIONS LLC | | R53PC29 | 63857 | CIRCOR NAVAL SOLUTIONS LLC | | R53PCSP15 | 63857 | CIRCOR NAVAL SOLUTIONS LLC |
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Techincal Specification:
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY MATERIAL | | FASTENER LENGTH | 0.312 INCHES NOMINAL | | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | HEADLESS (SETSCREW) | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 400 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 4 STYLE | | POINT STYLE | CUP | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.312 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL |
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