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National Stock Number:
5307-01-011-0036
Federal Supply Class:
5307
National Item Identification Number:
010110036
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:
| 860336-317 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 860336-317 | 13973 | LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION | | NCS-420-8-32 | 07886 | DAR ELECTRONICS INC COMMERCIAL PRODUCTS DIV DBA NATIONAL RADIO CO | | NCS420-8-32 | 57227 | PICS SCREW MACHINE, INC. |
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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 | 0.231 INCHES MINIMUM AND 0.241 INCHES MAXIMUM | | LOCKING FEATURE | SELF-CLINCHING HEAD | | OVERALL LENGTH | 1.216 INCHES MINIMUM AND 1.256 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 303 | | NOMINAL THREAD SIZE | 0.250 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 CLASS | 2A NUT THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD LENGTH | 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM NUT THREAD | | THREAD QUANTITY PER INCH | 20 NUT THREAD | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
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