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National Stock Number:
5305-01-478-2516
Federal Supply Class:
5305
National Item Identification Number:
014782516
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:
| 0.250-20UNC-3AX1.250LG NICU | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 2643-405-01 ITEM 94 | 96169 | ELECTRIC BOAT CORPORATION | | 845-7285244 ITEM 94 | 53711 | NAVAL SEA SYSTEMS COMMAND | | FF-S-200 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES NOMINAL | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY 400 OR | | NICKEL ALLOY R-405 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | HEADLESS (SETSCREW) | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL | | POINT STYLE | HALF DOG | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-200 | | MANUFACTURERS CODE | 81349 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | 0.250-20UNC-3AX1.250LG NICU |
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