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National Stock Number:
5340-01-517-0664
Federal Supply Class:
5340
National Item Identification Number:
015170664
Description:
FASTENER,FLARE LOCK
Detail:
A SHOULDERED HOLLOW SCREW AND THREADED SLEEVE ASSEMBLY, DESIGNED TO BE FASTENED IN PLACE BY TURNING THE SCREW, CAUSING ONE END OF THE SLEEVE TO FLARE OVER THE SHOULDER AND AGAINST THE MATERIAL THROUGH WHICH IT HAS BEEN INSERTED. ALSO, A COUNTERSUNK HEAD HOLLOW SCREW AND FLARED SLEEVE-NUT ASSEMBLY, DESIGNED TO MATE WITH A DIMPLED HOLE IN THE MATERIAL TO WHICH IT IS FASTENED. THE HOLLOW SCREWS MAY ALSO HAVE INTERNAL THREADS FOR ATTACHING SCREWS. SEE ALSO SHIELD, EXPANSION.
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Manufacturer Information:
| 3M1306E08 | 76301 | THE BOEING COMPANY | | 3M1306E08 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | MAFF-S-NB08N7 | 98524 | MONOGRAM AEROSPACE FASTENERS, INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | HEAD DIAMETER | 0.431 INCHES NOMINAL | | HEAD HEIGHT | 0.104 INCHES NOMINAL | | HEAD STYLE | DISHED COUNTERSUNK | | HOLE SIZE FOR WHICH DESIGNED | 0.264 INCHES NOMINAL | | INTERNAL DRIVE STYLE | CROSS RECESS | | MATERIAL DOCUMENT AND CLASSIFICATION | INCO 718 (108 KSI FSU) FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS RANGE FOR WHICH DESIGNED | +0.432 TO 0.442 INCHES | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.265 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SLEEVE-ADJUSTABLE PRELOAD,SELF SUSTAINING,POSITIVE MECHANICAL LOCK, 100 DEGREE FLUSH HEAD, LONG THREAD,INCONEL 718 (108 KSI FSU). | | SCREW MINIMUM LENGTH FOR WHICH DESIGNED | 0.432 INCHES | | STYLE DESIGNATOR | COUNTERSUNK SLEEVE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.333 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 12-48 | | THREAD SERIES DESIGNATOR | UNS |
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