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National Stock Number:
5305-01-038-2246
Federal Supply Class:
5305
National Item Identification Number:
010382246
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| 38030L-4C-8C | 50394 | SPS TECHNOLOGIES INC UNBRAKO DIV | | 38030L-4C-8C | 56878 | SPS TECHNOLOGIES, LLC | | SM-C-850393 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| FASTENER LENGTH | 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER | | HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM | | HEAD DIAMETER | 0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | HEAD STYLE | BUTTON | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | STRIP THREADS | | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE | | MATERIAL | STEEL FASTENER | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY1 FED SPEC SINGLE TREATMENT RESPONSE FASTENER | | SURFACE TREATMENT | CADMIUM FASTENER | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.370 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNRC |
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