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National Stock Number:
5307-01-391-2168
Federal Supply Class:
5307
National Item Identification Number:
013912168
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:
| M63540/3-5-4 | 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 | 0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM | | HARDNESS RATING | 171.0 ROCKWELL B MINIMUM | | HEAD DIAMETER | 0.157 INCHES NOMINAL | | HEAD LENGTH | 0.035 INCHES MINIMUM AND 0.041 INCHES MAXIMUM | | LOCKING FEATURE | SELF-CLINCHING HEAD | | OVERALL LENGTH | 0.285 INCHES MINIMUM AND 0.291 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD ALL MATERIAL RESPONSES | | MATERIAL | STEEL COMP 303 OR STEEL COMP 303SE | | NOMINAL THREAD SIZE | 0.112 INCHES NUT THREAD | | STYLE DESIGNATOR | SELF-LOCKING | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A NUT THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD LENGTH | 0.250 INCHES NOMINAL NUT THREAD | | THREAD QUANTITY PER INCH | 40 NUT THREAD | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
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