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National Stock Number:
5340-00-952-1040
Federal Supply Class:
5340
National Item Identification Number:
009521040
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:
| 1920-5-5 | 80539 | SPS TECHNOLOGIES, LLC | | C392-5-5 | 81755 | LOCKHEED MARTIN CORPORATION | | PAF20-5-5 | 56878 | SPS TECHNOLOGIES, LLC | | PAF20-5-5 | 80539 | SPS TECHNOLOGIES, LLC | | C392-5-5 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FEATURES PROVIDED | CLOSED SLEEVE | | HEAD DIAMETER | 0.420 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | HOLE SIZE FOR WHICH DESIGNED | 0.3120 INCHES MINIMUM AND 0.3731 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SOCKET | | MATERIAL THICKNESS RANGE FOR WHICH DESIGNED | +0.302 TO 0.322 INCHES | | MOUNTING METHOD | SCREW | | NOMINAL THREAD SIZE | 0.190 INCHES | | SCREW MINIMUM LENGTH FOR WHICH DESIGNED | 0.673 INCHES | | STYLE DESIGNATOR | COUNTERBORED SLEEVE | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 32 |
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