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National Stock Number:
5305-00-058-3711
Federal Supply Class:
5305
National Item Identification Number:
000583711
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:
| 444-274 | 56232 | LOCKHEED MARTIN CORPORATION | | FFS86TYPE1STYLE11 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES MAXIMUM | | FASTENER LENGTH | 0.375 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 A,AMEND 1,CL 7,TY A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HARDNESS RATING | 83.5 ROCKWELL B MINIMUM OVERALL | | MINIMUM YIELD STRENGTH | 35000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.265 INCHES MINIMUM AND | | 0.270 INCHES MAXIMUM | | HEAD HEIGHT | 0.160 INCHES MINIMUM AND | | 0.164 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.125 INCHES MINIMUM AND | | 0.127 INCHES MAXIMUM | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND | | 11 STYLE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFS86TYPE1STYLE11 |
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