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National Stock Number:
5307-00-421-5071
Federal Supply Class:
5307
National Item Identification Number:
004215071
Description:
STUD,SELF-LOCKING
Detail:
A headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see BOLT, SELF-LOCKING and STUD, LOCKED IN. Excludes INSERT, SCREW THREAD.
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Manufacturer Information:
| 132544A048 | 28527 | L3HARRIS TECHNOLOGIES, INC. | | 132544A048 | 28528 | ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST | | 950278-71 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | NCS-4-4-8 | 07886 | DAR ELECTRONICS INC COMMERCIAL PRODUCTS DIV DBA NATIONAL RADIO CO | | 44S(0.125)-ST-8 | 86577 | PRECISION METAL PRODUCTS CO | | 610073P54 | 94117 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | | NCS4-4-8 | 42498 | DAR ELECTRONICS INC DBA NATIONAL RADIO CO | | NCS4-4-8 | 57227 | PICS SCREW MACHINE, INC. |
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Techincal Specification:
| DISTANCE ACROSS FLATS | 0.250 INCHES NOMINAL | | HEAD DIAMETER | 0.197 INCHES MINIMUM AND 0.201 INCHES MAXIMUM | | HEAD LENGTH | 0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM | | LOCKING FEATURE | ANY ACCEPTABLE | | OVERALL LENGTH | 0.367 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 303 | | NOMINAL THREAD SIZE | 0.112 INCHES NUT THREAD | | STYLE DESIGNATOR | SELF-LOCKING | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD LENGTH | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM NUT THREAD | | THREAD CLASS | 2A NUT THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD QUANTITY PER INCH | 40 NUT THREAD | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
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