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National Stock Number:
5307-01-443-3769
Federal Supply Class:
5307
National Item Identification Number:
014433769
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:
| M63540/3-20-7 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-S-63540/3-20-7 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| MATERIAL | STEEL COMP 303 OR | | STEEL COMP 303SE | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD ALL MATERIAL RESPONSES | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | SELF-LOCKING | | HEAD DIAMETER | 0.261 INCHES NOMINAL | | HEAD LENGTH | 0.055 INCHES MINIMUM AND | | 0.061 INCHES MAXIMUM | | DISTANCE ACROSS FLATS | 0.297 INCHES MINIMUM AND | | 0.327 INCHES MAXIMUM | | OVERALL LENGTH | 0.438 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC NUT THREAD | | NOMINAL THREAD SIZE | 0.164 INCHES NUT THREAD | | THREAD CLASS | 2A NUT THREAD | | THREAD QUANTITY PER INCH | 32 NUT THREAD | | THREAD DIRECTION | RIGHT-HAND NUT THREAD | | THREAD LENGTH | 0.376 INCHES MINIMUM AND | | 0.438 INCHES MAXIMUM NUT THREAD | | LOCKING FEATURE | SELF-CLINCHING HEAD | | HARDNESS RATING | 171.0 BRINELL STANDARD MINIMUM | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81349 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-S-63540/3-20-7 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M63540/3-20-7 |
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