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National Stock Number:
5305-00-579-5697
Federal Supply Class:
5305
National Item Identification Number:
005795697
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:
| 188899 | 31361 | WOODWARD, INC. | | 188899 | 66503 | WOODWARD, INC. | | MS35457-37 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | RAR1955 | F3015 | NAVAL GROUP SITE DE LORIENT | | 188899 | FA3E7 | INJECTION ET REGULATION MARINE |
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Techincal Specification:
| FASTENER LENGTH | 1.000 INCHES NOMINAL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM YIELD STRENGTH | 140000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 11 STYLE | | WIDTH ACROSS FLATS | 0.187 INCHES MINIMUM AND 0.189 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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