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National Stock Number:
5305-01-503-0399
Federal Supply Class:
5305
National Item Identification Number:
015030399
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-3AXX0.625LG NICUAL | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 218040474 | 96169 | ELECTRIC BOAT CORPORATION | | 596-7410251-42 | 53711 | NAVAL SEA SYSTEMS COMMAND | | B831-9521-42 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | POINT STYLE | FLAT | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | SELF LOCKING;DATA EXPORT RESTRICTED | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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