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National Stock Number:
5307-00-943-8225
Federal Supply Class:
5307
National Item Identification Number:
009438225
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:
| 610073P84 | 94117 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | | 720S(0.125)-ST-20 | 86577 | PRECISION METAL PRODUCTS CO | | NCS420-4-20 | 42498 | DAR ELECTRONICS INC DBA NATIONAL RADIO CO | | NCS-420-4-20 | 57227 | PICS SCREW MACHINE, INC. | | MIL-S-63540/3-31-10 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| DISTANCE ACROSS FLATS | 0.438 INCHES NOMINAL | | HEAD DIAMETER | 0.380 INCHES MINIMUM AND 0.384 INCHES MAXIMUM | | HEAD LENGTH | 0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM | | LOCKING FEATURE | SELF-CLINCHING HEAD | | OVERALL LENGTH | 0.722 INCHES MINIMUM AND 0.762 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 | | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD | | STYLE DESIGNATOR | SELF-LOCKING | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD CLASS | 2A NUT THREAD | | THREAD LENGTH | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM NUT THREAD | | THREAD SERIES DESIGNATOR | UNC NUT THREAD | | THREAD QUANTITY PER INCH | 20 NUT THREAD |
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