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National Stock Number:
5305-01-249-0447
Federal Supply Class:
5305
National Item Identification Number:
012490447
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:
| 400-5530886 ITEM 47 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6750-607 ITEM 47 | 43689 | HUNTINGTON INGALLS INC | | 9762824 | 43689 | HUNTINGTON INGALLS INC | | FF-S-200B TY I STY 1 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | QQ-N-281D CL B GR 400 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| FASTENER LENGTH | 0.312 INCHES NOMINAL | | HEAD STYLE | HEADLESS (SETSCREW) | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 400 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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